820199280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{6317}}^1$

素因数の和:6874

約数の個数: 80

約数和(自身を含む): 2547720864

約数和(自身を除く): 1727521584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 541, 1082, 1623, 2164, 2705, 3246, 4328, 5410, 6317, 6492, 8115, 8656, 10820, 12634, 12984, 16230, 18951, 21640, 25268, 25968, 31585, 32460, 37902, 43280, 50536, 63170, 64920, 75804, 94755, 101072, 126340, 129840, 151608, 189510, 252680, 303216, 379020, 505360, 758040, 1516080, 3417497, 6834994, 10252491, 13669988, 17087485, 20504982, 27339976, 34174970, 41009964, 51262455, 54679952, 68349940, 82019928, 102524910, 136699880, 164039856, 205049820, 273399760, 410099640, 820199280]

約数ペア:

[(1, 820199280), (2, 410099640), (3, 273399760), (4, 205049820), (5, 164039856), (6, 136699880), (8, 102524910), (10, 82019928), (12, 68349940), (15, 54679952), (16, 51262455), (20, 41009964), (24, 34174970), (30, 27339976), (40, 20504982), (48, 17087485), (60, 13669988), (80, 10252491), (120, 6834994), (240, 3417497), (541, 1516080), (1082, 758040), (1623, 505360), (2164, 379020), (2705, 303216), (3246, 252680), (4328, 189510), (5410, 151608), (6317, 129840), (6492, 126340), (8115, 101072), (8656, 94755), (10820, 75804), (12634, 64920), (12984, 63170), (16230, 50536), (18951, 43280), (21640, 37902), (25268, 32460), (25968, 31585)]