129464240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1098

約数の個数: 80

約数和(自身を含む): 318836736

約数和(自身を除く): 189372496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 710, 920, 991, 1136, 1420, 1633, 1840, 1982, 2840, 3266, 3964, 4955, 5680, 6532, 7928, 8165, 9910, 13064, 15856, 16330, 19820, 22793, 26128, 32660, 39640, 45586, 65320, 70361, 79280, 91172, 113965, 130640, 140722, 182344, 227930, 281444, 351805, 364688, 455860, 562888, 703610, 911720, 1125776, 1407220, 1618303, 1823440, 2814440, 3236606, 5628880, 6473212, 8091515, 12946424, 16183030, 25892848, 32366060, 64732120, 129464240]

約数ペア:

[(1, 129464240), (2, 64732120), (4, 32366060), (5, 25892848), (8, 16183030), (10, 12946424), (16, 8091515), (20, 6473212), (23, 5628880), (40, 3236606), (46, 2814440), (71, 1823440), (80, 1618303), (92, 1407220), (115, 1125776), (142, 911720), (184, 703610), (230, 562888), (284, 455860), (355, 364688), (368, 351805), (460, 281444), (568, 227930), (710, 182344), (920, 140722), (991, 130640), (1136, 113965), (1420, 91172), (1633, 79280), (1840, 70361), (1982, 65320), (2840, 45586), (3266, 39640), (3964, 32660), (4955, 26128), (5680, 22793), (6532, 19820), (7928, 16330), (8165, 15856), (9910, 13064)]