1947677680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2139

約数の個数: 120

約数和(自身を含む): 4974994080

約数和(自身を除く): 3027316400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 169, 208, 260, 284, 338, 355, 520, 568, 676, 710, 845, 923, 1040, 1136, 1352, 1420, 1690, 1846, 2029, 2704, 2840, 3380, 3692, 4058, 4615, 5680, 6760, 7384, 8116, 9230, 10145, 11999, 13520, 14768, 16232, 18460, 20290, 23998, 26377, 32464, 36920, 40580, 47996, 52754, 59995, 73840, 81160, 95992, 105508, 119990, 131885, 144059, 162320, 191984, 211016, 239980, 263770, 288118, 342901, 422032, 479960, 527540, 576236, 685802, 720295, 959920, 1055080, 1152472, 1371604, 1440590, 1714505, 1872767, 2110160, 2304944, 2743208, 2881180, 3429010, 3745534, 5486416, 5762360, 6858020, 7491068, 9363835, 11524720, 13716040, 14982136, 18727670, 24345971, 27432080, 29964272, 37455340, 48691942, 74910680, 97383884, 121729855, 149821360, 194767768, 243459710, 389535536, 486919420, 973838840, 1947677680]

約数ペア:

[(1, 1947677680), (2, 973838840), (4, 486919420), (5, 389535536), (8, 243459710), (10, 194767768), (13, 149821360), (16, 121729855), (20, 97383884), (26, 74910680), (40, 48691942), (52, 37455340), (65, 29964272), (71, 27432080), (80, 24345971), (104, 18727670), (130, 14982136), (142, 13716040), (169, 11524720), (208, 9363835), (260, 7491068), (284, 6858020), (338, 5762360), (355, 5486416), (520, 3745534), (568, 3429010), (676, 2881180), (710, 2743208), (845, 2304944), (923, 2110160), (1040, 1872767), (1136, 1714505), (1352, 1440590), (1420, 1371604), (1690, 1152472), (1846, 1055080), (2029, 959920), (2704, 720295), (2840, 685802), (3380, 576236), (3692, 527540), (4058, 479960), (4615, 422032), (5680, 342901), (6760, 288118), (7384, 263770), (8116, 239980), (9230, 211016), (10145, 191984), (11999, 162320), (13520, 144059), (14768, 131885), (16232, 119990), (18460, 105508), (20290, 95992), (23998, 81160), (26377, 73840), (32464, 59995), (36920, 52754), (40580, 47996)]