31915440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2333}}^1$

素因数の和:2371

約数の個数: 120

約数和(自身を含む): 112872240

約数和(自身を除く): 80956800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2333, 2736, 3420, 4560, 4666, 6840, 6999, 9332, 11665, 13680, 13998, 18664, 20997, 23330, 27996, 34995, 37328, 41994, 44327, 46660, 55992, 69990, 83988, 88654, 93320, 104985, 111984, 132981, 139980, 167976, 177308, 186640, 209970, 221635, 265962, 279960, 335952, 354616, 398943, 419940, 443270, 531924, 559920, 664905, 709232, 797886, 839880, 886540, 1063848, 1329810, 1595772, 1679760, 1773080, 1994715, 2127696, 2659620, 3191544, 3546160, 3989430, 5319240, 6383088, 7978860, 10638480, 15957720, 31915440]

約数ペア:

[(1, 31915440), (2, 15957720), (3, 10638480), (4, 7978860), (5, 6383088), (6, 5319240), (8, 3989430), (9, 3546160), (10, 3191544), (12, 2659620), (15, 2127696), (16, 1994715), (18, 1773080), (19, 1679760), (20, 1595772), (24, 1329810), (30, 1063848), (36, 886540), (38, 839880), (40, 797886), (45, 709232), (48, 664905), (57, 559920), (60, 531924), (72, 443270), (76, 419940), (80, 398943), (90, 354616), (95, 335952), (114, 279960), (120, 265962), (144, 221635), (152, 209970), (171, 186640), (180, 177308), (190, 167976), (228, 139980), (240, 132981), (285, 111984), (304, 104985), (342, 93320), (360, 88654), (380, 83988), (456, 69990), (570, 55992), (684, 46660), (720, 44327), (760, 41994), (855, 37328), (912, 34995), (1140, 27996), (1368, 23330), (1520, 20997), (1710, 18664), (2280, 13998), (2333, 13680), (2736, 11665), (3420, 9332), (4560, 6999), (4666, 6840)]