15678827320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{4423}}^1$

素因数の和:4865

約数の個数: 128

約数和(自身を含む): 40335200640

約数和(自身を除く): 24656373320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 401, 442, 520, 680, 802, 884, 1105, 1604, 1768, 2005, 2210, 3208, 4010, 4420, 4423, 5213, 6817, 8020, 8840, 8846, 10426, 13634, 16040, 17692, 20852, 22115, 26065, 27268, 34085, 35384, 41704, 44230, 52130, 54536, 57499, 68170, 75191, 88460, 88621, 104260, 114998, 136340, 150382, 176920, 177242, 208520, 229996, 272680, 287495, 300764, 354484, 375955, 443105, 459992, 574990, 601528, 708968, 751910, 886210, 977483, 1149980, 1503820, 1772420, 1773623, 1954966, 2299960, 3007640, 3544840, 3547246, 3909932, 4887415, 7094492, 7819864, 8868115, 9774830, 14188984, 17736230, 19549660, 23057099, 30151591, 35472460, 39099320, 46114198, 60303182, 70944920, 92228396, 115285495, 120606364, 150757955, 184456792, 230570990, 241212728, 301515910, 391970683, 461141980, 603031820, 783941366, 922283960, 1206063640, 1567882732, 1959853415, 3135765464, 3919706830, 7839413660, 15678827320]

約数ペア:

[(1, 15678827320), (2, 7839413660), (4, 3919706830), (5, 3135765464), (8, 1959853415), (10, 1567882732), (13, 1206063640), (17, 922283960), (20, 783941366), (26, 603031820), (34, 461141980), (40, 391970683), (52, 301515910), (65, 241212728), (68, 230570990), (85, 184456792), (104, 150757955), (130, 120606364), (136, 115285495), (170, 92228396), (221, 70944920), (260, 60303182), (340, 46114198), (401, 39099320), (442, 35472460), (520, 30151591), (680, 23057099), (802, 19549660), (884, 17736230), (1105, 14188984), (1604, 9774830), (1768, 8868115), (2005, 7819864), (2210, 7094492), (3208, 4887415), (4010, 3909932), (4420, 3547246), (4423, 3544840), (5213, 3007640), (6817, 2299960), (8020, 1954966), (8840, 1773623), (8846, 1772420), (10426, 1503820), (13634, 1149980), (16040, 977483), (17692, 886210), (20852, 751910), (22115, 708968), (26065, 601528), (27268, 574990), (34085, 459992), (35384, 443105), (41704, 375955), (44230, 354484), (52130, 300764), (54536, 287495), (57499, 272680), (68170, 229996), (75191, 208520), (88460, 177242), (88621, 176920), (104260, 150382), (114998, 136340)]