18914738520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{8707}}^1$

素因数の和:9185

約数の個数: 128

約数和(自身を含む): 58208451840

約数和(自身を除く): 39293713320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 421, 430, 516, 645, 842, 860, 1032, 1263, 1290, 1684, 1720, 2105, 2526, 2580, 3368, 4210, 5052, 5160, 6315, 8420, 8707, 10104, 12630, 16840, 17414, 18103, 25260, 26121, 34828, 36206, 43535, 50520, 52242, 54309, 69656, 72412, 87070, 90515, 104484, 108618, 130605, 144824, 174140, 181030, 208968, 217236, 261210, 271545, 348280, 362060, 374401, 434472, 522420, 543090, 724120, 748802, 1044840, 1086180, 1123203, 1497604, 1872005, 2172360, 2246406, 2995208, 3665647, 3744010, 4492812, 5616015, 7331294, 7488020, 8985624, 10996941, 11232030, 14662588, 14976040, 18328235, 21993882, 22464060, 29325176, 36656470, 43987764, 44928120, 54984705, 73312940, 87975528, 109969410, 146625880, 157622821, 219938820, 315245642, 439877640, 472868463, 630491284, 788114105, 945736926, 1260982568, 1576228210, 1891473852, 2364342315, 3152456420, 3782947704, 4728684630, 6304912840, 9457369260, 18914738520]

約数ペア:

[(1, 18914738520), (2, 9457369260), (3, 6304912840), (4, 4728684630), (5, 3782947704), (6, 3152456420), (8, 2364342315), (10, 1891473852), (12, 1576228210), (15, 1260982568), (20, 945736926), (24, 788114105), (30, 630491284), (40, 472868463), (43, 439877640), (60, 315245642), (86, 219938820), (120, 157622821), (129, 146625880), (172, 109969410), (215, 87975528), (258, 73312940), (344, 54984705), (421, 44928120), (430, 43987764), (516, 36656470), (645, 29325176), (842, 22464060), (860, 21993882), (1032, 18328235), (1263, 14976040), (1290, 14662588), (1684, 11232030), (1720, 10996941), (2105, 8985624), (2526, 7488020), (2580, 7331294), (3368, 5616015), (4210, 4492812), (5052, 3744010), (5160, 3665647), (6315, 2995208), (8420, 2246406), (8707, 2172360), (10104, 1872005), (12630, 1497604), (16840, 1123203), (17414, 1086180), (18103, 1044840), (25260, 748802), (26121, 724120), (34828, 543090), (36206, 522420), (43535, 434472), (50520, 374401), (52242, 362060), (54309, 348280), (69656, 271545), (72412, 261210), (87070, 217236), (90515, 208968), (104484, 181030), (108618, 174140), (130605, 144824)]