7801740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 23980320

約数和(自身を除く): 16178580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 487, 534, 801, 890, 974, 1068, 1335, 1461, 1602, 1780, 1948, 2435, 2670, 2922, 3204, 4005, 4383, 4870, 5340, 5844, 7305, 8010, 8766, 9740, 14610, 16020, 17532, 21915, 29220, 43343, 43830, 86686, 87660, 130029, 173372, 216715, 260058, 390087, 433430, 520116, 650145, 780174, 866860, 1300290, 1560348, 1950435, 2600580, 3900870, 7801740]

約数ペア:

[(1, 7801740), (2, 3900870), (3, 2600580), (4, 1950435), (5, 1560348), (6, 1300290), (9, 866860), (10, 780174), (12, 650145), (15, 520116), (18, 433430), (20, 390087), (30, 260058), (36, 216715), (45, 173372), (60, 130029), (89, 87660), (90, 86686), (178, 43830), (180, 43343), (267, 29220), (356, 21915), (445, 17532), (487, 16020), (534, 14610), (801, 9740), (890, 8766), (974, 8010), (1068, 7305), (1335, 5844), (1461, 5340), (1602, 4870), (1780, 4383), (1948, 4005), (2435, 3204), (2670, 2922)]