139451680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 352066176

約数和(自身を除く): 212614496

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 167, 170, 272, 307, 334, 340, 544, 614, 668, 680, 835, 1228, 1336, 1360, 1535, 1670, 2456, 2672, 2720, 2839, 3070, 3340, 4912, 5219, 5344, 5678, 6140, 6680, 9824, 10438, 11356, 12280, 13360, 14195, 20876, 22712, 24560, 26095, 26720, 28390, 41752, 45424, 49120, 51269, 52190, 56780, 83504, 90848, 102538, 104380, 113560, 167008, 205076, 208760, 227120, 256345, 410152, 417520, 454240, 512690, 820304, 835040, 871573, 1025380, 1640608, 1743146, 2050760, 3486292, 4101520, 4357865, 6972584, 8203040, 8715730, 13945168, 17431460, 27890336, 34862920, 69725840, 139451680]

約数ペア:

[(1, 139451680), (2, 69725840), (4, 34862920), (5, 27890336), (8, 17431460), (10, 13945168), (16, 8715730), (17, 8203040), (20, 6972584), (32, 4357865), (34, 4101520), (40, 3486292), (68, 2050760), (80, 1743146), (85, 1640608), (136, 1025380), (160, 871573), (167, 835040), (170, 820304), (272, 512690), (307, 454240), (334, 417520), (340, 410152), (544, 256345), (614, 227120), (668, 208760), (680, 205076), (835, 167008), (1228, 113560), (1336, 104380), (1360, 102538), (1535, 90848), (1670, 83504), (2456, 56780), (2672, 52190), (2720, 51269), (2839, 49120), (3070, 45424), (3340, 41752), (4912, 28390), (5219, 26720), (5344, 26095), (5678, 24560), (6140, 22712), (6680, 20876), (9824, 14195), (10438, 13360), (11356, 12280)]