1390405120

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1096

約数の個数: 160

約数和(自身を含む): 3681326880

約数和(自身を除く): 2290921760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 256, 260, 320, 328, 410, 416, 512, 520, 533, 640, 656, 820, 832, 1019, 1040, 1066, 1280, 1312, 1640, 1664, 2038, 2080, 2132, 2560, 2624, 2665, 3280, 3328, 4076, 4160, 4264, 5095, 5248, 5330, 6560, 6656, 8152, 8320, 8528, 10190, 10496, 10660, 13120, 13247, 16304, 16640, 17056, 20380, 20992, 21320, 26240, 26494, 32608, 33280, 34112, 40760, 41779, 42640, 52480, 52988, 65216, 66235, 68224, 81520, 83558, 85280, 104960, 105976, 130432, 132470, 136448, 163040, 167116, 170560, 208895, 211952, 260864, 264940, 272896, 326080, 334232, 341120, 417790, 423904, 521728, 529880, 543127, 652160, 668464, 682240, 835580, 847808, 1059760, 1086254, 1304320, 1336928, 1364480, 1671160, 1695616, 2119520, 2172508, 2608640, 2673856, 2715635, 3342320, 3391232, 4239040, 4345016, 5347712, 5431270, 6684640, 6782464, 8478080, 8690032, 10695424, 10862540, 13369280, 16956160, 17380064, 21390848, 21725080, 26738560, 33912320, 34760128, 43450160, 53477120, 69520256, 86900320, 106954240, 139040512, 173800640, 278081024, 347601280, 695202560, 1390405120]

約数ペア:

[(1, 1390405120), (2, 695202560), (4, 347601280), (5, 278081024), (8, 173800640), (10, 139040512), (13, 106954240), (16, 86900320), (20, 69520256), (26, 53477120), (32, 43450160), (40, 34760128), (41, 33912320), (52, 26738560), (64, 21725080), (65, 21390848), (80, 17380064), (82, 16956160), (104, 13369280), (128, 10862540), (130, 10695424), (160, 8690032), (164, 8478080), (205, 6782464), (208, 6684640), (256, 5431270), (260, 5347712), (320, 4345016), (328, 4239040), (410, 3391232), (416, 3342320), (512, 2715635), (520, 2673856), (533, 2608640), (640, 2172508), (656, 2119520), (820, 1695616), (832, 1671160), (1019, 1364480), (1040, 1336928), (1066, 1304320), (1280, 1086254), (1312, 1059760), (1640, 847808), (1664, 835580), (2038, 682240), (2080, 668464), (2132, 652160), (2560, 543127), (2624, 529880), (2665, 521728), (3280, 423904), (3328, 417790), (4076, 341120), (4160, 334232), (4264, 326080), (5095, 272896), (5248, 264940), (5330, 260864), (6560, 211952), (6656, 208895), (8152, 170560), (8320, 167116), (8528, 163040), (10190, 136448), (10496, 132470), (10660, 130432), (13120, 105976), (13247, 104960), (16304, 85280), (16640, 83558), (17056, 81520), (20380, 68224), (20992, 66235), (21320, 65216), (26240, 52988), (26494, 52480), (32608, 42640), (33280, 41779), (34112, 40760)]