81653640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 262656000

約数和(自身を除く): 181002360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 59, 60, 76, 95, 114, 118, 120, 152, 177, 190, 228, 236, 285, 295, 354, 380, 456, 472, 570, 590, 607, 708, 760, 885, 1121, 1140, 1180, 1214, 1416, 1770, 1821, 2242, 2280, 2360, 2428, 3035, 3363, 3540, 3642, 4484, 4856, 5605, 6070, 6726, 7080, 7284, 8968, 9105, 11210, 11533, 12140, 13452, 14568, 16815, 18210, 22420, 23066, 24280, 26904, 33630, 34599, 35813, 36420, 44840, 46132, 57665, 67260, 69198, 71626, 72840, 92264, 107439, 115330, 134520, 138396, 143252, 172995, 179065, 214878, 230660, 276792, 286504, 345990, 358130, 429756, 461320, 537195, 680447, 691980, 716260, 859512, 1074390, 1360894, 1383960, 1432520, 2041341, 2148780, 2721788, 3402235, 4082682, 4297560, 5443576, 6804470, 8165364, 10206705, 13608940, 16330728, 20413410, 27217880, 40826820, 81653640]

約数ペア:

[(1, 81653640), (2, 40826820), (3, 27217880), (4, 20413410), (5, 16330728), (6, 13608940), (8, 10206705), (10, 8165364), (12, 6804470), (15, 5443576), (19, 4297560), (20, 4082682), (24, 3402235), (30, 2721788), (38, 2148780), (40, 2041341), (57, 1432520), (59, 1383960), (60, 1360894), (76, 1074390), (95, 859512), (114, 716260), (118, 691980), (120, 680447), (152, 537195), (177, 461320), (190, 429756), (228, 358130), (236, 345990), (285, 286504), (295, 276792), (354, 230660), (380, 214878), (456, 179065), (472, 172995), (570, 143252), (590, 138396), (607, 134520), (708, 115330), (760, 107439), (885, 92264), (1121, 72840), (1140, 71626), (1180, 69198), (1214, 67260), (1416, 57665), (1770, 46132), (1821, 44840), (2242, 36420), (2280, 35813), (2360, 34599), (2428, 33630), (3035, 26904), (3363, 24280), (3540, 23066), (3642, 22420), (4484, 18210), (4856, 16815), (5605, 14568), (6070, 13452), (6726, 12140), (7080, 11533), (7284, 11210), (8968, 9105)]