1400940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 4372368

約数和(自身を除く): 2971428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 181, 215, 258, 362, 387, 430, 516, 543, 645, 724, 774, 860, 905, 1086, 1290, 1548, 1629, 1810, 1935, 2172, 2580, 2715, 3258, 3620, 3870, 5430, 6516, 7740, 7783, 8145, 10860, 15566, 16290, 23349, 31132, 32580, 38915, 46698, 70047, 77830, 93396, 116745, 140094, 155660, 233490, 280188, 350235, 466980, 700470, 1400940]

約数ペア:

[(1, 1400940), (2, 700470), (3, 466980), (4, 350235), (5, 280188), (6, 233490), (9, 155660), (10, 140094), (12, 116745), (15, 93396), (18, 77830), (20, 70047), (30, 46698), (36, 38915), (43, 32580), (45, 31132), (60, 23349), (86, 16290), (90, 15566), (129, 10860), (172, 8145), (180, 7783), (181, 7740), (215, 6516), (258, 5430), (362, 3870), (387, 3620), (430, 3258), (516, 2715), (543, 2580), (645, 2172), (724, 1935), (774, 1810), (860, 1629), (905, 1548), (1086, 1290)]