18654480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2025

約数の個数: 120

約数和(自身を含む): 67500888

約数和(自身を除く): 48846408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 1993, 2340, 3120, 3986, 4680, 5979, 7972, 9360, 9965, 11958, 15944, 17937, 19930, 23916, 25909, 29895, 31888, 35874, 39860, 47832, 51818, 59790, 71748, 77727, 79720, 89685, 95664, 103636, 119580, 129545, 143496, 155454, 159440, 179370, 207272, 233181, 239160, 259090, 286992, 310908, 358740, 388635, 414544, 466362, 478320, 518180, 621816, 717480, 777270, 932724, 1036360, 1165905, 1243632, 1434960, 1554540, 1865448, 2072720, 2331810, 3109080, 3730896, 4663620, 6218160, 9327240, 18654480]

約数ペア:

[(1, 18654480), (2, 9327240), (3, 6218160), (4, 4663620), (5, 3730896), (6, 3109080), (8, 2331810), (9, 2072720), (10, 1865448), (12, 1554540), (13, 1434960), (15, 1243632), (16, 1165905), (18, 1036360), (20, 932724), (24, 777270), (26, 717480), (30, 621816), (36, 518180), (39, 478320), (40, 466362), (45, 414544), (48, 388635), (52, 358740), (60, 310908), (65, 286992), (72, 259090), (78, 239160), (80, 233181), (90, 207272), (104, 179370), (117, 159440), (120, 155454), (130, 143496), (144, 129545), (156, 119580), (180, 103636), (195, 95664), (208, 89685), (234, 79720), (240, 77727), (260, 71748), (312, 59790), (360, 51818), (390, 47832), (468, 39860), (520, 35874), (585, 31888), (624, 29895), (720, 25909), (780, 23916), (936, 19930), (1040, 17937), (1170, 15944), (1560, 11958), (1872, 9965), (1993, 9360), (2340, 7972), (3120, 5979), (3986, 4680)]