31038840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:246

約数の個数: 192

約数和(自身を含む): 117374400

約数和(自身を除く): 86335560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 109, 113, 120, 126, 140, 168, 180, 210, 218, 226, 252, 280, 315, 327, 339, 360, 420, 436, 452, 504, 545, 565, 630, 654, 678, 763, 791, 840, 872, 904, 981, 1017, 1090, 1130, 1260, 1308, 1356, 1526, 1582, 1635, 1695, 1962, 2034, 2180, 2260, 2289, 2373, 2520, 2616, 2712, 3052, 3164, 3270, 3390, 3815, 3924, 3955, 4068, 4360, 4520, 4578, 4746, 4905, 5085, 6104, 6328, 6540, 6780, 6867, 7119, 7630, 7848, 7910, 8136, 9156, 9492, 9810, 10170, 11445, 11865, 12317, 13080, 13560, 13734, 14238, 15260, 15820, 18312, 18984, 19620, 20340, 22890, 23730, 24634, 27468, 28476, 30520, 31640, 34335, 35595, 36951, 39240, 40680, 45780, 47460, 49268, 54936, 56952, 61585, 68670, 71190, 73902, 86219, 91560, 94920, 98536, 110853, 123170, 137340, 142380, 147804, 172438, 184755, 221706, 246340, 258657, 274680, 284760, 295608, 344876, 369510, 431095, 443412, 492680, 517314, 554265, 689752, 739020, 775971, 862190, 886824, 1034628, 1108530, 1293285, 1478040, 1551942, 1724380, 2069256, 2217060, 2586570, 3103884, 3448760, 3879855, 4434120, 5173140, 6207768, 7759710, 10346280, 15519420, 31038840]

約数ペア:

[(1, 31038840), (2, 15519420), (3, 10346280), (4, 7759710), (5, 6207768), (6, 5173140), (7, 4434120), (8, 3879855), (9, 3448760), (10, 3103884), (12, 2586570), (14, 2217060), (15, 2069256), (18, 1724380), (20, 1551942), (21, 1478040), (24, 1293285), (28, 1108530), (30, 1034628), (35, 886824), (36, 862190), (40, 775971), (42, 739020), (45, 689752), (56, 554265), (60, 517314), (63, 492680), (70, 443412), (72, 431095), (84, 369510), (90, 344876), (105, 295608), (109, 284760), (113, 274680), (120, 258657), (126, 246340), (140, 221706), (168, 184755), (180, 172438), (210, 147804), (218, 142380), (226, 137340), (252, 123170), (280, 110853), (315, 98536), (327, 94920), (339, 91560), (360, 86219), (420, 73902), (436, 71190), (452, 68670), (504, 61585), (545, 56952), (565, 54936), (630, 49268), (654, 47460), (678, 45780), (763, 40680), (791, 39240), (840, 36951), (872, 35595), (904, 34335), (981, 31640), (1017, 30520), (1090, 28476), (1130, 27468), (1260, 24634), (1308, 23730), (1356, 22890), (1526, 20340), (1582, 19620), (1635, 18984), (1695, 18312), (1962, 15820), (2034, 15260), (2180, 14238), (2260, 13734), (2289, 13560), (2373, 13080), (2520, 12317), (2616, 11865), (2712, 11445), (3052, 10170), (3164, 9810), (3270, 9492), (3390, 9156), (3815, 8136), (3924, 7910), (3955, 7848), (4068, 7630), (4360, 7119), (4520, 6867), (4578, 6780), (4746, 6540), (4905, 6328), (5085, 6104)]