71881560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 256

約数和(自身を含む): 262656000

約数和(自身を除く): 190774440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 54, 57, 60, 62, 72, 76, 90, 93, 95, 108, 113, 114, 120, 124, 135, 152, 155, 171, 180, 186, 190, 216, 226, 228, 248, 270, 279, 285, 310, 339, 342, 360, 372, 380, 452, 456, 465, 513, 540, 558, 565, 570, 589, 620, 678, 684, 744, 760, 837, 855, 904, 930, 1017, 1026, 1080, 1116, 1130, 1140, 1178, 1240, 1356, 1368, 1395, 1674, 1695, 1710, 1767, 1860, 2034, 2052, 2147, 2232, 2260, 2280, 2356, 2565, 2712, 2790, 2945, 3051, 3348, 3390, 3420, 3503, 3534, 3720, 4068, 4104, 4185, 4294, 4520, 4712, 5085, 5130, 5301, 5580, 5890, 6102, 6441, 6696, 6780, 6840, 7006, 7068, 8136, 8370, 8588, 8835, 10170, 10260, 10509, 10602, 10735, 11160, 11780, 12204, 12882, 13560, 14012, 14136, 15255, 15903, 16740, 17176, 17515, 17670, 19323, 20340, 20520, 21018, 21204, 21470, 23560, 24408, 25764, 26505, 28024, 30510, 31527, 31806, 32205, 33480, 35030, 35340, 38646, 40680, 42036, 42408, 42940, 51528, 52545, 53010, 57969, 61020, 63054, 63612, 64410, 66557, 70060, 70680, 77292, 79515, 84072, 85880, 94581, 96615, 105090, 106020, 115938, 122040, 126108, 127224, 128820, 133114, 140120, 154584, 157635, 159030, 189162, 193230, 199671, 210180, 212040, 231876, 252216, 257640, 266228, 289845, 315270, 318060, 332785, 378324, 386460, 399342, 420360, 463752, 472905, 532456, 579690, 599013, 630540, 636120, 665570, 756648, 772920, 798684, 945810, 998355, 1159380, 1198026, 1261080, 1331140, 1597368, 1797039, 1891620, 1996710, 2318760, 2396052, 2662280, 2995065, 3594078, 3783240, 3993420, 4792104, 5990130, 7188156, 7986840, 8985195, 11980260, 14376312, 17970390, 23960520, 35940780, 71881560]

約数ペア:

[(1, 71881560), (2, 35940780), (3, 23960520), (4, 17970390), (5, 14376312), (6, 11980260), (8, 8985195), (9, 7986840), (10, 7188156), (12, 5990130), (15, 4792104), (18, 3993420), (19, 3783240), (20, 3594078), (24, 2995065), (27, 2662280), (30, 2396052), (31, 2318760), (36, 1996710), (38, 1891620), (40, 1797039), (45, 1597368), (54, 1331140), (57, 1261080), (60, 1198026), (62, 1159380), (72, 998355), (76, 945810), (90, 798684), (93, 772920), (95, 756648), (108, 665570), (113, 636120), (114, 630540), (120, 599013), (124, 579690), (135, 532456), (152, 472905), (155, 463752), (171, 420360), (180, 399342), (186, 386460), (190, 378324), (216, 332785), (226, 318060), (228, 315270), (248, 289845), (270, 266228), (279, 257640), (285, 252216), (310, 231876), (339, 212040), (342, 210180), (360, 199671), (372, 193230), (380, 189162), (452, 159030), (456, 157635), (465, 154584), (513, 140120), (540, 133114), (558, 128820), (565, 127224), (570, 126108), (589, 122040), (620, 115938), (678, 106020), (684, 105090), (744, 96615), (760, 94581), (837, 85880), (855, 84072), (904, 79515), (930, 77292), (1017, 70680), (1026, 70060), (1080, 66557), (1116, 64410), (1130, 63612), (1140, 63054), (1178, 61020), (1240, 57969), (1356, 53010), (1368, 52545), (1395, 51528), (1674, 42940), (1695, 42408), (1710, 42036), (1767, 40680), (1860, 38646), (2034, 35340), (2052, 35030), (2147, 33480), (2232, 32205), (2260, 31806), (2280, 31527), (2356, 30510), (2565, 28024), (2712, 26505), (2790, 25764), (2945, 24408), (3051, 23560), (3348, 21470), (3390, 21204), (3420, 21018), (3503, 20520), (3534, 20340), (3720, 19323), (4068, 17670), (4104, 17515), (4185, 17176), (4294, 16740), (4520, 15903), (4712, 15255), (5085, 14136), (5130, 14012), (5301, 13560), (5580, 12882), (5890, 12204), (6102, 11780), (6441, 11160), (6696, 10735), (6780, 10602), (6840, 10509), (7006, 10260), (7068, 10170), (8136, 8835), (8370, 8588)]