85691320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 230791680

約数和(自身を除く): 145100360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 71, 88, 104, 110, 130, 142, 143, 211, 220, 260, 284, 286, 355, 422, 440, 520, 568, 572, 710, 715, 781, 844, 923, 1055, 1144, 1420, 1430, 1562, 1688, 1846, 2110, 2321, 2743, 2840, 2860, 3124, 3692, 3905, 4220, 4615, 4642, 5486, 5720, 6248, 7384, 7810, 8440, 9230, 9284, 10153, 10972, 11605, 13715, 14981, 15620, 18460, 18568, 20306, 21944, 23210, 27430, 29962, 30173, 31240, 36920, 40612, 46420, 50765, 54860, 59924, 60346, 74905, 81224, 92840, 101530, 109720, 119848, 120692, 149810, 150865, 164791, 194753, 203060, 241384, 299620, 301730, 329582, 389506, 406120, 599240, 603460, 659164, 779012, 823955, 973765, 1206920, 1318328, 1558024, 1647910, 1947530, 2142283, 3295820, 3895060, 4284566, 6591640, 7790120, 8569132, 10711415, 17138264, 21422830, 42845660, 85691320]

約数ペア:

[(1, 85691320), (2, 42845660), (4, 21422830), (5, 17138264), (8, 10711415), (10, 8569132), (11, 7790120), (13, 6591640), (20, 4284566), (22, 3895060), (26, 3295820), (40, 2142283), (44, 1947530), (52, 1647910), (55, 1558024), (65, 1318328), (71, 1206920), (88, 973765), (104, 823955), (110, 779012), (130, 659164), (142, 603460), (143, 599240), (211, 406120), (220, 389506), (260, 329582), (284, 301730), (286, 299620), (355, 241384), (422, 203060), (440, 194753), (520, 164791), (568, 150865), (572, 149810), (710, 120692), (715, 119848), (781, 109720), (844, 101530), (923, 92840), (1055, 81224), (1144, 74905), (1420, 60346), (1430, 59924), (1562, 54860), (1688, 50765), (1846, 46420), (2110, 40612), (2321, 36920), (2743, 31240), (2840, 30173), (2860, 29962), (3124, 27430), (3692, 23210), (3905, 21944), (4220, 20306), (4615, 18568), (4642, 18460), (5486, 15620), (5720, 14981), (6248, 13715), (7384, 11605), (7810, 10972), (8440, 10153), (9230, 9284)]