163677280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78691}}^1$

素因数の和:78719

約数の個数: 48

約数和(自身を含む): 416438064

約数和(自身を除く): 252760784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 78691, 157382, 314764, 393455, 629528, 786910, 1022983, 1259056, 1573820, 2045966, 2518112, 3147640, 4091932, 5114915, 6295280, 8183864, 10229830, 12590560, 16367728, 20459660, 32735456, 40919320, 81838640, 163677280]

約数ペア:

[(1, 163677280), (2, 81838640), (4, 40919320), (5, 32735456), (8, 20459660), (10, 16367728), (13, 12590560), (16, 10229830), (20, 8183864), (26, 6295280), (32, 5114915), (40, 4091932), (52, 3147640), (65, 2518112), (80, 2045966), (104, 1573820), (130, 1259056), (160, 1022983), (208, 786910), (260, 629528), (416, 393455), (520, 314764), (1040, 157382), (2080, 78691)]