31880784

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2732

約数の個数: 80

約数和(自身を含む): 93396800

約数和(自身を除く): 61516016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1976, 2689, 2964, 3952, 5378, 5928, 8067, 10756, 11856, 16134, 21512, 32268, 34957, 43024, 51091, 64536, 69914, 102182, 104871, 129072, 139828, 153273, 204364, 209742, 279656, 306546, 408728, 419484, 559312, 613092, 664183, 817456, 838968, 1226184, 1328366, 1677936, 1992549, 2452368, 2656732, 3985098, 5313464, 7970196, 10626928, 15940392, 31880784]

約数ペア:

[(1, 31880784), (2, 15940392), (3, 10626928), (4, 7970196), (6, 5313464), (8, 3985098), (12, 2656732), (13, 2452368), (16, 1992549), (19, 1677936), (24, 1328366), (26, 1226184), (38, 838968), (39, 817456), (48, 664183), (52, 613092), (57, 559312), (76, 419484), (78, 408728), (104, 306546), (114, 279656), (152, 209742), (156, 204364), (208, 153273), (228, 139828), (247, 129072), (304, 104871), (312, 102182), (456, 69914), (494, 64536), (624, 51091), (741, 43024), (912, 34957), (988, 32268), (1482, 21512), (1976, 16134), (2689, 11856), (2964, 10756), (3952, 8067), (5378, 5928)]