665921880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7489}}^1$

素因数の和:7538

約数の個数: 192

約数和(自身を含む): 2453724000

約数和(自身を除く): 1787802120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 684, 741, 760, 780, 855, 936, 988, 1140, 1170, 1235, 1368, 1482, 1560, 1710, 1976, 2223, 2280, 2340, 2470, 2964, 3420, 3705, 4446, 4680, 4940, 5928, 6840, 7410, 7489, 8892, 9880, 11115, 14820, 14978, 17784, 22230, 22467, 29640, 29956, 37445, 44460, 44934, 59912, 67401, 74890, 88920, 89868, 97357, 112335, 134802, 142291, 149780, 179736, 194714, 224670, 269604, 284582, 292071, 299560, 337005, 389428, 426873, 449340, 486785, 539208, 569164, 584142, 674010, 711455, 778856, 853746, 876213, 898680, 973570, 1138328, 1168284, 1280619, 1348020, 1422910, 1460355, 1707492, 1752426, 1849783, 1947140, 2134365, 2336568, 2561238, 2696040, 2845820, 2920710, 3414984, 3504852, 3699566, 3894280, 4268730, 4381065, 5122476, 5549349, 5691640, 5841420, 6403095, 7009704, 7399132, 8537460, 8762130, 9248915, 10244952, 11098698, 11682840, 12806190, 14798264, 16648047, 17074920, 17524260, 18497830, 22197396, 25612380, 27746745, 33296094, 35048520, 36995660, 44394792, 51224760, 55493490, 66592188, 73991320, 83240235, 110986980, 133184376, 166480470, 221973960, 332960940, 665921880]

約数ペア:

[(1, 665921880), (2, 332960940), (3, 221973960), (4, 166480470), (5, 133184376), (6, 110986980), (8, 83240235), (9, 73991320), (10, 66592188), (12, 55493490), (13, 51224760), (15, 44394792), (18, 36995660), (19, 35048520), (20, 33296094), (24, 27746745), (26, 25612380), (30, 22197396), (36, 18497830), (38, 17524260), (39, 17074920), (40, 16648047), (45, 14798264), (52, 12806190), (57, 11682840), (60, 11098698), (65, 10244952), (72, 9248915), (76, 8762130), (78, 8537460), (90, 7399132), (95, 7009704), (104, 6403095), (114, 5841420), (117, 5691640), (120, 5549349), (130, 5122476), (152, 4381065), (156, 4268730), (171, 3894280), (180, 3699566), (190, 3504852), (195, 3414984), (228, 2920710), (234, 2845820), (247, 2696040), (260, 2561238), (285, 2336568), (312, 2134365), (342, 1947140), (360, 1849783), (380, 1752426), (390, 1707492), (456, 1460355), (468, 1422910), (494, 1348020), (520, 1280619), (570, 1168284), (585, 1138328), (684, 973570), (741, 898680), (760, 876213), (780, 853746), (855, 778856), (936, 711455), (988, 674010), (1140, 584142), (1170, 569164), (1235, 539208), (1368, 486785), (1482, 449340), (1560, 426873), (1710, 389428), (1976, 337005), (2223, 299560), (2280, 292071), (2340, 284582), (2470, 269604), (2964, 224670), (3420, 194714), (3705, 179736), (4446, 149780), (4680, 142291), (4940, 134802), (5928, 112335), (6840, 97357), (7410, 89868), (7489, 88920), (8892, 74890), (9880, 67401), (11115, 59912), (14820, 44934), (14978, 44460), (17784, 37445), (22230, 29956), (22467, 29640)]