20430619560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{335809}}^1$

素因数の和:335852

約数の個数: 144

約数和(自身を含む): 71900279100

約数和(自身を除く): 51469659540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1521, 1560, 1690, 2028, 2340, 2535, 3042, 3380, 4056, 4680, 5070, 6084, 6760, 7605, 10140, 12168, 15210, 20280, 30420, 60840, 335809, 671618, 1007427, 1343236, 1679045, 2014854, 2686472, 3022281, 3358090, 4029708, 4365517, 5037135, 6044562, 6716180, 8059416, 8731034, 10074270, 12089124, 13096551, 13432360, 15111405, 17462068, 20148540, 21827585, 24178248, 26193102, 30222810, 34924136, 39289653, 40297080, 43655170, 52386204, 56751721, 60445620, 65482755, 78579306, 87310340, 104772408, 113503442, 120891240, 130965510, 157158612, 170255163, 174620680, 196448265, 227006884, 261931020, 283758605, 314317224, 340510326, 392896530, 454013768, 510765489, 523862040, 567517210, 681020652, 785793060, 851275815, 1021530978, 1135034420, 1362041304, 1571586120, 1702551630, 2043061956, 2270068840, 2553827445, 3405103260, 4086123912, 5107654890, 6810206520, 10215309780, 20430619560]

約数ペア:

[(1, 20430619560), (2, 10215309780), (3, 6810206520), (4, 5107654890), (5, 4086123912), (6, 3405103260), (8, 2553827445), (9, 2270068840), (10, 2043061956), (12, 1702551630), (13, 1571586120), (15, 1362041304), (18, 1135034420), (20, 1021530978), (24, 851275815), (26, 785793060), (30, 681020652), (36, 567517210), (39, 523862040), (40, 510765489), (45, 454013768), (52, 392896530), (60, 340510326), (65, 314317224), (72, 283758605), (78, 261931020), (90, 227006884), (104, 196448265), (117, 174620680), (120, 170255163), (130, 157158612), (156, 130965510), (169, 120891240), (180, 113503442), (195, 104772408), (234, 87310340), (260, 78579306), (312, 65482755), (338, 60445620), (360, 56751721), (390, 52386204), (468, 43655170), (507, 40297080), (520, 39289653), (585, 34924136), (676, 30222810), (780, 26193102), (845, 24178248), (936, 21827585), (1014, 20148540), (1170, 17462068), (1352, 15111405), (1521, 13432360), (1560, 13096551), (1690, 12089124), (2028, 10074270), (2340, 8731034), (2535, 8059416), (3042, 6716180), (3380, 6044562), (4056, 5037135), (4680, 4365517), (5070, 4029708), (6084, 3358090), (6760, 3022281), (7605, 2686472), (10140, 2014854), (12168, 1679045), (15210, 1343236), (20280, 1007427), (30420, 671618), (60840, 335809)]