68287920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 224985600

約数和(自身を除く): 156697680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 139, 178, 184, 230, 240, 267, 276, 278, 345, 356, 368, 417, 445, 460, 534, 552, 556, 690, 695, 712, 834, 890, 920, 1068, 1104, 1112, 1335, 1380, 1390, 1424, 1668, 1780, 1840, 2047, 2085, 2136, 2224, 2670, 2760, 2780, 3197, 3336, 3560, 4094, 4170, 4272, 5340, 5520, 5560, 6141, 6394, 6672, 7120, 8188, 8340, 9591, 10235, 10680, 11120, 12282, 12371, 12788, 15985, 16376, 16680, 19182, 20470, 21360, 24564, 24742, 25576, 30705, 31970, 32752, 33360, 37113, 38364, 40940, 47955, 49128, 49484, 51152, 61410, 61855, 63940, 74226, 76728, 81880, 95910, 98256, 98968, 122820, 123710, 127880, 148452, 153456, 163760, 185565, 191820, 197936, 245640, 247420, 255760, 284533, 296904, 371130, 383640, 491280, 494840, 569066, 593808, 742260, 767280, 853599, 989680, 1138132, 1422665, 1484520, 1707198, 2276264, 2845330, 2969040, 3414396, 4267995, 4552528, 5690660, 6828792, 8535990, 11381320, 13657584, 17071980, 22762640, 34143960, 68287920]

約数ペア:

[(1, 68287920), (2, 34143960), (3, 22762640), (4, 17071980), (5, 13657584), (6, 11381320), (8, 8535990), (10, 6828792), (12, 5690660), (15, 4552528), (16, 4267995), (20, 3414396), (23, 2969040), (24, 2845330), (30, 2276264), (40, 1707198), (46, 1484520), (48, 1422665), (60, 1138132), (69, 989680), (80, 853599), (89, 767280), (92, 742260), (115, 593808), (120, 569066), (138, 494840), (139, 491280), (178, 383640), (184, 371130), (230, 296904), (240, 284533), (267, 255760), (276, 247420), (278, 245640), (345, 197936), (356, 191820), (368, 185565), (417, 163760), (445, 153456), (460, 148452), (534, 127880), (552, 123710), (556, 122820), (690, 98968), (695, 98256), (712, 95910), (834, 81880), (890, 76728), (920, 74226), (1068, 63940), (1104, 61855), (1112, 61410), (1335, 51152), (1380, 49484), (1390, 49128), (1424, 47955), (1668, 40940), (1780, 38364), (1840, 37113), (2047, 33360), (2085, 32752), (2136, 31970), (2224, 30705), (2670, 25576), (2760, 24742), (2780, 24564), (3197, 21360), (3336, 20470), (3560, 19182), (4094, 16680), (4170, 16376), (4272, 15985), (5340, 12788), (5520, 12371), (5560, 12282), (6141, 11120), (6394, 10680), (6672, 10235), (7120, 9591), (8188, 8340)]