64789020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8779}}^1$

素因数の和:8835

約数の個数: 72

約数和(自身を含む): 201342960

約数和(自身を除く): 136553940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 8779, 17558, 26337, 35116, 43895, 52674, 79011, 87790, 105348, 131685, 158022, 175580, 263370, 316044, 359939, 395055, 526740, 719878, 790110, 1079817, 1439756, 1580220, 1799695, 2159634, 3239451, 3599390, 4319268, 5399085, 6478902, 7198780, 10798170, 12957804, 16197255, 21596340, 32394510, 64789020]

約数ペア:

[(1, 64789020), (2, 32394510), (3, 21596340), (4, 16197255), (5, 12957804), (6, 10798170), (9, 7198780), (10, 6478902), (12, 5399085), (15, 4319268), (18, 3599390), (20, 3239451), (30, 2159634), (36, 1799695), (41, 1580220), (45, 1439756), (60, 1079817), (82, 790110), (90, 719878), (123, 526740), (164, 395055), (180, 359939), (205, 316044), (246, 263370), (369, 175580), (410, 158022), (492, 131685), (615, 105348), (738, 87790), (820, 79011), (1230, 52674), (1476, 43895), (1845, 35116), (2460, 26337), (3690, 17558), (7380, 8779)]