8638020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 26930904

約数和(自身を除く): 18292884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1297, 1332, 1665, 2220, 2594, 3330, 3891, 5188, 6485, 6660, 7782, 11673, 12970, 15564, 19455, 23346, 25940, 38910, 46692, 47989, 58365, 77820, 95978, 116730, 143967, 191956, 233460, 239945, 287934, 431901, 479890, 575868, 719835, 863802, 959780, 1439670, 1727604, 2159505, 2879340, 4319010, 8638020]

約数ペア:

[(1, 8638020), (2, 4319010), (3, 2879340), (4, 2159505), (5, 1727604), (6, 1439670), (9, 959780), (10, 863802), (12, 719835), (15, 575868), (18, 479890), (20, 431901), (30, 287934), (36, 239945), (37, 233460), (45, 191956), (60, 143967), (74, 116730), (90, 95978), (111, 77820), (148, 58365), (180, 47989), (185, 46692), (222, 38910), (333, 25940), (370, 23346), (444, 19455), (555, 15564), (666, 12970), (740, 11673), (1110, 7782), (1297, 6660), (1332, 6485), (1665, 5188), (2220, 3891), (2594, 3330)]