161008640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 176

約数和(自身を含む): 433308960

約数和(自身を除く): 272300320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 59, 64, 65, 80, 82, 104, 118, 128, 130, 160, 164, 205, 208, 236, 256, 260, 295, 320, 328, 410, 416, 472, 512, 520, 533, 590, 640, 656, 767, 820, 832, 944, 1024, 1040, 1066, 1180, 1280, 1312, 1534, 1640, 1664, 1888, 2080, 2132, 2360, 2419, 2560, 2624, 2665, 3068, 3280, 3328, 3776, 3835, 4160, 4264, 4720, 4838, 5120, 5248, 5330, 6136, 6560, 6656, 7552, 7670, 8320, 8528, 9440, 9676, 10496, 10660, 12095, 12272, 13120, 13312, 15104, 15340, 16640, 17056, 18880, 19352, 20992, 21320, 24190, 24544, 26240, 30208, 30680, 31447, 33280, 34112, 37760, 38704, 41984, 42640, 48380, 49088, 52480, 60416, 61360, 62894, 66560, 68224, 75520, 77408, 85280, 96760, 98176, 104960, 122720, 125788, 136448, 151040, 154816, 157235, 170560, 193520, 196352, 209920, 245440, 251576, 272896, 302080, 309632, 314470, 341120, 387040, 392704, 490880, 503152, 545792, 619264, 628940, 682240, 774080, 785408, 981760, 1006304, 1238528, 1257880, 1364480, 1548160, 1963520, 2012608, 2477056, 2515760, 2728960, 3096320, 3927040, 4025216, 5031520, 6192640, 8050432, 10063040, 12385280, 16100864, 20126080, 32201728, 40252160, 80504320, 161008640]

約数ペア:

[(1, 161008640), (2, 80504320), (4, 40252160), (5, 32201728), (8, 20126080), (10, 16100864), (13, 12385280), (16, 10063040), (20, 8050432), (26, 6192640), (32, 5031520), (40, 4025216), (41, 3927040), (52, 3096320), (59, 2728960), (64, 2515760), (65, 2477056), (80, 2012608), (82, 1963520), (104, 1548160), (118, 1364480), (128, 1257880), (130, 1238528), (160, 1006304), (164, 981760), (205, 785408), (208, 774080), (236, 682240), (256, 628940), (260, 619264), (295, 545792), (320, 503152), (328, 490880), (410, 392704), (416, 387040), (472, 341120), (512, 314470), (520, 309632), (533, 302080), (590, 272896), (640, 251576), (656, 245440), (767, 209920), (820, 196352), (832, 193520), (944, 170560), (1024, 157235), (1040, 154816), (1066, 151040), (1180, 136448), (1280, 125788), (1312, 122720), (1534, 104960), (1640, 98176), (1664, 96760), (1888, 85280), (2080, 77408), (2132, 75520), (2360, 68224), (2419, 66560), (2560, 62894), (2624, 61360), (2665, 60416), (3068, 52480), (3280, 49088), (3328, 48380), (3776, 42640), (3835, 41984), (4160, 38704), (4264, 37760), (4720, 34112), (4838, 33280), (5120, 31447), (5248, 30680), (5330, 30208), (6136, 26240), (6560, 24544), (6656, 24190), (7552, 21320), (7670, 20992), (8320, 19352), (8528, 18880), (9440, 17056), (9676, 16640), (10496, 15340), (10660, 15104), (12095, 13312), (12272, 13120)]