71508840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 241194240

約数和(自身を除く): 169685400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 1993, 2392, 2760, 2990, 3588, 3986, 4485, 5979, 5980, 7176, 7972, 8970, 9965, 11958, 11960, 15944, 17940, 19930, 23916, 25909, 29895, 35880, 39860, 45839, 47832, 51818, 59790, 77727, 79720, 91678, 103636, 119580, 129545, 137517, 155454, 183356, 207272, 229195, 239160, 259090, 275034, 310908, 366712, 388635, 458390, 518180, 550068, 595907, 621816, 687585, 777270, 916780, 1036360, 1100136, 1191814, 1375170, 1554540, 1787721, 1833560, 2383628, 2750340, 2979535, 3109080, 3575442, 4767256, 5500680, 5959070, 7150884, 8938605, 11918140, 14301768, 17877210, 23836280, 35754420, 71508840]

約数ペア:

[(1, 71508840), (2, 35754420), (3, 23836280), (4, 17877210), (5, 14301768), (6, 11918140), (8, 8938605), (10, 7150884), (12, 5959070), (13, 5500680), (15, 4767256), (20, 3575442), (23, 3109080), (24, 2979535), (26, 2750340), (30, 2383628), (39, 1833560), (40, 1787721), (46, 1554540), (52, 1375170), (60, 1191814), (65, 1100136), (69, 1036360), (78, 916780), (92, 777270), (104, 687585), (115, 621816), (120, 595907), (130, 550068), (138, 518180), (156, 458390), (184, 388635), (195, 366712), (230, 310908), (260, 275034), (276, 259090), (299, 239160), (312, 229195), (345, 207272), (390, 183356), (460, 155454), (520, 137517), (552, 129545), (598, 119580), (690, 103636), (780, 91678), (897, 79720), (920, 77727), (1196, 59790), (1380, 51818), (1495, 47832), (1560, 45839), (1794, 39860), (1993, 35880), (2392, 29895), (2760, 25909), (2990, 23916), (3588, 19930), (3986, 17940), (4485, 15944), (5979, 11960), (5980, 11958), (7176, 9965), (7972, 8970)]