254201220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 288

約数和(自身を含む): 992073600

約数和(自身を除く): 737872380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 180, 182, 189, 195, 196, 210, 234, 245, 252, 260, 270, 273, 294, 315, 351, 364, 378, 390, 420, 441, 455, 468, 490, 540, 546, 585, 588, 630, 637, 702, 735, 739, 756, 780, 819, 882, 910, 945, 980, 1092, 1170, 1260, 1274, 1323, 1365, 1404, 1470, 1478, 1638, 1755, 1764, 1820, 1890, 1911, 2205, 2217, 2340, 2457, 2548, 2646, 2730, 2940, 2956, 3185, 3276, 3510, 3695, 3780, 3822, 4095, 4410, 4434, 4914, 5173, 5292, 5460, 5733, 6370, 6615, 6651, 7020, 7390, 7644, 8190, 8820, 8868, 9555, 9607, 9828, 10346, 11085, 11466, 12285, 12740, 13230, 13302, 14780, 15519, 16380, 17199, 19110, 19214, 19953, 20692, 22170, 22932, 24570, 25865, 26460, 26604, 28665, 28821, 31038, 33255, 34398, 36211, 38220, 38428, 39906, 44340, 46557, 48035, 49140, 51730, 57330, 57642, 62076, 66510, 67249, 68796, 72422, 77595, 79812, 85995, 86463, 93114, 96070, 99765, 103460, 108633, 114660, 115284, 133020, 134498, 139671, 144105, 144844, 155190, 171990, 172926, 181055, 186228, 192140, 199530, 201747, 217266, 232785, 259389, 268996, 279342, 288210, 310380, 325899, 336245, 343980, 345852, 362110, 399060, 403494, 432315, 434532, 465570, 470743, 518778, 543165, 558684, 576420, 605241, 651798, 672490, 698355, 724220, 806988, 864630, 931140, 941486, 977697, 1008735, 1037556, 1086330, 1210482, 1296945, 1303596, 1344980, 1396710, 1412229, 1629495, 1729260, 1815723, 1882972, 1955394, 2017470, 2172660, 2353715, 2420964, 2593890, 2793420, 2824458, 3026205, 3258990, 3631446, 3910788, 4034940, 4236687, 4707430, 4888485, 5187780, 5648916, 6052410, 6517980, 7061145, 7262892, 8473374, 9078615, 9414860, 9776970, 12104820, 12710061, 14122290, 16946748, 18157230, 19553940, 21183435, 25420122, 28244580, 36314460, 42366870, 50840244, 63550305, 84733740, 127100610, 254201220]

約数ペア:

[(1, 254201220), (2, 127100610), (3, 84733740), (4, 63550305), (5, 50840244), (6, 42366870), (7, 36314460), (9, 28244580), (10, 25420122), (12, 21183435), (13, 19553940), (14, 18157230), (15, 16946748), (18, 14122290), (20, 12710061), (21, 12104820), (26, 9776970), (27, 9414860), (28, 9078615), (30, 8473374), (35, 7262892), (36, 7061145), (39, 6517980), (42, 6052410), (45, 5648916), (49, 5187780), (52, 4888485), (54, 4707430), (60, 4236687), (63, 4034940), (65, 3910788), (70, 3631446), (78, 3258990), (84, 3026205), (90, 2824458), (91, 2793420), (98, 2593890), (105, 2420964), (108, 2353715), (117, 2172660), (126, 2017470), (130, 1955394), (135, 1882972), (140, 1815723), (147, 1729260), (156, 1629495), (180, 1412229), (182, 1396710), (189, 1344980), (195, 1303596), (196, 1296945), (210, 1210482), (234, 1086330), (245, 1037556), (252, 1008735), (260, 977697), (270, 941486), (273, 931140), (294, 864630), (315, 806988), (351, 724220), (364, 698355), (378, 672490), (390, 651798), (420, 605241), (441, 576420), (455, 558684), (468, 543165), (490, 518778), (540, 470743), (546, 465570), (585, 434532), (588, 432315), (630, 403494), (637, 399060), (702, 362110), (735, 345852), (739, 343980), (756, 336245), (780, 325899), (819, 310380), (882, 288210), (910, 279342), (945, 268996), (980, 259389), (1092, 232785), (1170, 217266), (1260, 201747), (1274, 199530), (1323, 192140), (1365, 186228), (1404, 181055), (1470, 172926), (1478, 171990), (1638, 155190), (1755, 144844), (1764, 144105), (1820, 139671), (1890, 134498), (1911, 133020), (2205, 115284), (2217, 114660), (2340, 108633), (2457, 103460), (2548, 99765), (2646, 96070), (2730, 93114), (2940, 86463), (2956, 85995), (3185, 79812), (3276, 77595), (3510, 72422), (3695, 68796), (3780, 67249), (3822, 66510), (4095, 62076), (4410, 57642), (4434, 57330), (4914, 51730), (5173, 49140), (5292, 48035), (5460, 46557), (5733, 44340), (6370, 39906), (6615, 38428), (6651, 38220), (7020, 36211), (7390, 34398), (7644, 33255), (8190, 31038), (8820, 28821), (8868, 28665), (9555, 26604), (9607, 26460), (9828, 25865), (10346, 24570), (11085, 22932), (11466, 22170), (12285, 20692), (12740, 19953), (13230, 19214), (13302, 19110), (14780, 17199), (15519, 16380)]