82007880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 263070720

約数和(自身を除く): 181062840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 691, 860, 920, 989, 1032, 1290, 1380, 1382, 1720, 1978, 2073, 2580, 2760, 2764, 2967, 3455, 3956, 4146, 4945, 5160, 5528, 5934, 6910, 7912, 8292, 9890, 10365, 11868, 13820, 14835, 15893, 16584, 19780, 20730, 23736, 27640, 29670, 29713, 31786, 39560, 41460, 47679, 59340, 59426, 63572, 79465, 82920, 89139, 95358, 118680, 118852, 127144, 148565, 158930, 178278, 190716, 237704, 238395, 297130, 317860, 356556, 381432, 445695, 476790, 594260, 635720, 683399, 713112, 891390, 953580, 1188520, 1366798, 1782780, 1907160, 2050197, 2733596, 3416995, 3565560, 4100394, 5467192, 6833990, 8200788, 10250985, 13667980, 16401576, 20501970, 27335960, 41003940, 82007880]

約数ペア:

[(1, 82007880), (2, 41003940), (3, 27335960), (4, 20501970), (5, 16401576), (6, 13667980), (8, 10250985), (10, 8200788), (12, 6833990), (15, 5467192), (20, 4100394), (23, 3565560), (24, 3416995), (30, 2733596), (40, 2050197), (43, 1907160), (46, 1782780), (60, 1366798), (69, 1188520), (86, 953580), (92, 891390), (115, 713112), (120, 683399), (129, 635720), (138, 594260), (172, 476790), (184, 445695), (215, 381432), (230, 356556), (258, 317860), (276, 297130), (344, 238395), (345, 237704), (430, 190716), (460, 178278), (516, 158930), (552, 148565), (645, 127144), (690, 118852), (691, 118680), (860, 95358), (920, 89139), (989, 82920), (1032, 79465), (1290, 63572), (1380, 59426), (1382, 59340), (1720, 47679), (1978, 41460), (2073, 39560), (2580, 31786), (2760, 29713), (2764, 29670), (2967, 27640), (3455, 23736), (3956, 20730), (4146, 19780), (4945, 16584), (5160, 15893), (5528, 14835), (5934, 13820), (6910, 11868), (7912, 10365), (8292, 9890)]