280732140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{119971}}^1$

素因数の和:119999

約数の個数: 72

約数和(自身を含む): 917065968

約数和(自身を除く): 636333828

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, 119971, 239942, 359913, 479884, 599855, 719826, 1079739, 1199710, 1439652, 1559623, 1799565, 2159478, 2399420, 3119246, 3599130, 4318956, 4678869, 5398695, 6238492, 7198260, 7798115, 9357738, 10797390, 14036607, 15596230, 18715476, 21594780, 23394345, 28073214, 31192460, 46788690, 56146428, 70183035, 93577380, 140366070, 280732140]

約数ペア:

[(1, 280732140), (2, 140366070), (3, 93577380), (4, 70183035), (5, 56146428), (6, 46788690), (9, 31192460), (10, 28073214), (12, 23394345), (13, 21594780), (15, 18715476), (18, 15596230), (20, 14036607), (26, 10797390), (30, 9357738), (36, 7798115), (39, 7198260), (45, 6238492), (52, 5398695), (60, 4678869), (65, 4318956), (78, 3599130), (90, 3119246), (117, 2399420), (130, 2159478), (156, 1799565), (180, 1559623), (195, 1439652), (234, 1199710), (260, 1079739), (390, 719826), (468, 599855), (585, 479884), (780, 359913), (1170, 239942), (2340, 119971)]