123011820

素因数分解:

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

素因数の和:772

約数の個数: 144

約数和(自身を含む): 398990592

約数和(自身を除く): 275978772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 115, 129, 138, 172, 180, 207, 215, 230, 258, 276, 345, 387, 414, 430, 460, 516, 645, 690, 691, 774, 828, 860, 989, 1035, 1290, 1380, 1382, 1548, 1935, 1978, 2070, 2073, 2580, 2764, 2967, 3455, 3870, 3956, 4140, 4146, 4945, 5934, 6219, 6910, 7740, 8292, 8901, 9890, 10365, 11868, 12438, 13820, 14835, 15893, 17802, 19780, 20730, 24876, 29670, 29713, 31095, 31786, 35604, 41460, 44505, 47679, 59340, 59426, 62190, 63572, 79465, 89010, 89139, 95358, 118852, 124380, 143037, 148565, 158930, 178020, 178278, 190716, 238395, 267417, 286074, 297130, 317860, 356556, 445695, 476790, 534834, 572148, 594260, 683399, 715185, 891390, 953580, 1069668, 1337085, 1366798, 1430370, 1782780, 2050197, 2674170, 2733596, 2860740, 3416995, 4100394, 5348340, 6150591, 6833990, 8200788, 10250985, 12301182, 13667980, 20501970, 24602364, 30752955, 41003940, 61505910, 123011820]

約数ペア:

[(1, 123011820), (2, 61505910), (3, 41003940), (4, 30752955), (5, 24602364), (6, 20501970), (9, 13667980), (10, 12301182), (12, 10250985), (15, 8200788), (18, 6833990), (20, 6150591), (23, 5348340), (30, 4100394), (36, 3416995), (43, 2860740), (45, 2733596), (46, 2674170), (60, 2050197), (69, 1782780), (86, 1430370), (90, 1366798), (92, 1337085), (115, 1069668), (129, 953580), (138, 891390), (172, 715185), (180, 683399), (207, 594260), (215, 572148), (230, 534834), (258, 476790), (276, 445695), (345, 356556), (387, 317860), (414, 297130), (430, 286074), (460, 267417), (516, 238395), (645, 190716), (690, 178278), (691, 178020), (774, 158930), (828, 148565), (860, 143037), (989, 124380), (1035, 118852), (1290, 95358), (1380, 89139), (1382, 89010), (1548, 79465), (1935, 63572), (1978, 62190), (2070, 59426), (2073, 59340), (2580, 47679), (2764, 44505), (2967, 41460), (3455, 35604), (3870, 31786), (3956, 31095), (4140, 29713), (4146, 29670), (4945, 24876), (5934, 20730), (6219, 19780), (6910, 17802), (7740, 15893), (8292, 14835), (8901, 13820), (9890, 12438), (10365, 11868)]