168168780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71867}}^1$

素因数の和:71895

約数の個数: 72

約数和(自身を含む): 549358992

約数和(自身を除く): 381190212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 71867, 143734, 215601, 287468, 359335, 431202, 646803, 718670, 862404, 934271, 1078005, 1293606, 1437340, 1868542, 2156010, 2587212, 2802813, 3234015, 3737084, 4312020, 4671355, 5605626, 6468030, 8408439, 9342710, 11211252, 12936060, 14014065, 16816878, 18685420, 28028130, 33633756, 42042195, 56056260, 84084390, 168168780]

約数ペア:

[(1, 168168780), (2, 84084390), (3, 56056260), (4, 42042195), (5, 33633756), (6, 28028130), (9, 18685420), (10, 16816878), (12, 14014065), (13, 12936060), (15, 11211252), (18, 9342710), (20, 8408439), (26, 6468030), (30, 5605626), (36, 4671355), (39, 4312020), (45, 3737084), (52, 3234015), (60, 2802813), (65, 2587212), (78, 2156010), (90, 1868542), (117, 1437340), (130, 1293606), (156, 1078005), (180, 934271), (195, 862404), (234, 718670), (260, 646803), (390, 431202), (468, 359335), (585, 287468), (780, 215601), (1170, 143734), (2340, 71867)]