254397780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 384

約数和(自身を含む): 1011548160

約数和(自身を除く): 757150380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 31, 35, 36, 39, 42, 45, 52, 54, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 108, 117, 124, 126, 130, 135, 140, 155, 156, 167, 180, 182, 186, 189, 195, 210, 217, 234, 252, 260, 270, 273, 279, 310, 315, 334, 351, 364, 372, 378, 390, 403, 420, 434, 455, 465, 468, 501, 540, 546, 558, 585, 620, 630, 651, 668, 702, 756, 780, 806, 819, 835, 837, 868, 910, 930, 945, 1002, 1085, 1092, 1116, 1169, 1170, 1209, 1260, 1302, 1365, 1395, 1404, 1503, 1612, 1638, 1670, 1674, 1755, 1820, 1860, 1890, 1953, 2004, 2015, 2170, 2171, 2338, 2340, 2418, 2457, 2505, 2604, 2730, 2790, 2821, 3006, 3255, 3276, 3340, 3348, 3507, 3510, 3627, 3780, 3906, 4030, 4095, 4185, 4340, 4342, 4509, 4676, 4836, 4914, 5010, 5177, 5460, 5580, 5642, 5845, 5859, 6012, 6045, 6510, 6513, 7014, 7020, 7254, 7515, 7812, 8060, 8190, 8370, 8463, 8684, 9018, 9765, 9828, 10020, 10354, 10521, 10855, 10881, 11284, 11690, 11718, 12090, 12285, 13020, 13026, 14028, 14105, 14508, 15030, 15197, 15531, 16380, 16740, 16926, 17535, 18036, 18135, 19530, 19539, 20708, 21042, 21710, 21762, 22545, 23380, 23436, 24180, 24570, 25389, 25885, 26052, 28210, 29295, 30060, 30394, 31062, 31563, 32565, 33852, 35070, 36239, 36270, 39060, 39078, 42084, 42315, 43420, 43524, 45090, 45591, 46593, 49140, 50778, 51770, 52605, 54405, 56420, 58590, 58617, 60788, 62124, 63126, 65130, 67301, 70140, 72478, 72540, 75985, 76167, 77655, 78156, 84630, 90180, 91182, 93186, 97695, 101556, 103540, 105210, 108717, 108810, 117180, 117234, 126252, 126945, 130260, 134602, 136773, 139779, 144956, 151970, 152334, 155310, 157815, 169260, 181195, 182364, 186372, 195390, 201903, 210420, 217434, 217620, 227955, 232965, 234468, 253890, 269204, 273546, 279558, 293085, 303940, 304668, 310620, 315630, 326151, 336505, 362390, 380835, 390780, 403806, 410319, 434868, 455910, 465930, 471107, 507780, 543585, 547092, 559116, 586170, 605709, 631260, 652302, 673010, 683865, 698895, 724780, 761670, 807612, 820638, 911820, 931860, 942214, 978453, 1009515, 1087170, 1172340, 1211418, 1304604, 1346020, 1367730, 1397790, 1413321, 1523340, 1630755, 1641276, 1817127, 1884428, 1956906, 2019030, 2051595, 2174340, 2355535, 2422836, 2735460, 2795580, 2826642, 3028545, 3261510, 3634254, 3913812, 4038060, 4103190, 4239963, 4711070, 4892265, 5653284, 6057090, 6523020, 7066605, 7268508, 8206380, 8479926, 9085635, 9422140, 9784530, 12114180, 12719889, 14133210, 16959852, 18171270, 19569060, 21199815, 25439778, 28266420, 36342540, 42399630, 50879556, 63599445, 84799260, 127198890, 254397780]

約数ペア:

[(1, 254397780), (2, 127198890), (3, 84799260), (4, 63599445), (5, 50879556), (6, 42399630), (7, 36342540), (9, 28266420), (10, 25439778), (12, 21199815), (13, 19569060), (14, 18171270), (15, 16959852), (18, 14133210), (20, 12719889), (21, 12114180), (26, 9784530), (27, 9422140), (28, 9085635), (30, 8479926), (31, 8206380), (35, 7268508), (36, 7066605), (39, 6523020), (42, 6057090), (45, 5653284), (52, 4892265), (54, 4711070), (60, 4239963), (62, 4103190), (63, 4038060), (65, 3913812), (70, 3634254), (78, 3261510), (84, 3028545), (90, 2826642), (91, 2795580), (93, 2735460), (105, 2422836), (108, 2355535), (117, 2174340), (124, 2051595), (126, 2019030), (130, 1956906), (135, 1884428), (140, 1817127), (155, 1641276), (156, 1630755), (167, 1523340), (180, 1413321), (182, 1397790), (186, 1367730), (189, 1346020), (195, 1304604), (210, 1211418), (217, 1172340), (234, 1087170), (252, 1009515), (260, 978453), (270, 942214), (273, 931860), (279, 911820), (310, 820638), (315, 807612), (334, 761670), (351, 724780), (364, 698895), (372, 683865), (378, 673010), (390, 652302), (403, 631260), (420, 605709), (434, 586170), (455, 559116), (465, 547092), (468, 543585), (501, 507780), (540, 471107), (546, 465930), (558, 455910), (585, 434868), (620, 410319), (630, 403806), (651, 390780), (668, 380835), (702, 362390), (756, 336505), (780, 326151), (806, 315630), (819, 310620), (835, 304668), (837, 303940), (868, 293085), (910, 279558), (930, 273546), (945, 269204), (1002, 253890), (1085, 234468), (1092, 232965), (1116, 227955), (1169, 217620), (1170, 217434), (1209, 210420), (1260, 201903), (1302, 195390), (1365, 186372), (1395, 182364), (1404, 181195), (1503, 169260), (1612, 157815), (1638, 155310), (1670, 152334), (1674, 151970), (1755, 144956), (1820, 139779), (1860, 136773), (1890, 134602), (1953, 130260), (2004, 126945), (2015, 126252), (2170, 117234), (2171, 117180), (2338, 108810), (2340, 108717), (2418, 105210), (2457, 103540), (2505, 101556), (2604, 97695), (2730, 93186), (2790, 91182), (2821, 90180), (3006, 84630), (3255, 78156), (3276, 77655), (3340, 76167), (3348, 75985), (3507, 72540), (3510, 72478), (3627, 70140), (3780, 67301), (3906, 65130), (4030, 63126), (4095, 62124), (4185, 60788), (4340, 58617), (4342, 58590), (4509, 56420), (4676, 54405), (4836, 52605), (4914, 51770), (5010, 50778), (5177, 49140), (5460, 46593), (5580, 45591), (5642, 45090), (5845, 43524), (5859, 43420), (6012, 42315), (6045, 42084), (6510, 39078), (6513, 39060), (7014, 36270), (7020, 36239), (7254, 35070), (7515, 33852), (7812, 32565), (8060, 31563), (8190, 31062), (8370, 30394), (8463, 30060), (8684, 29295), (9018, 28210), (9765, 26052), (9828, 25885), (10020, 25389), (10354, 24570), (10521, 24180), (10855, 23436), (10881, 23380), (11284, 22545), (11690, 21762), (11718, 21710), (12090, 21042), (12285, 20708), (13020, 19539), (13026, 19530), (14028, 18135), (14105, 18036), (14508, 17535), (15030, 16926), (15197, 16740), (15531, 16380)]