28420380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3851}}^1$

素因数の和:3907

約数の個数: 72

約数和(自身を含む): 88334064

約数和(自身を除く): 59913684

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, 3851, 7380, 7702, 11553, 15404, 19255, 23106, 34659, 38510, 46212, 57765, 69318, 77020, 115530, 138636, 157891, 173295, 231060, 315782, 346590, 473673, 631564, 693180, 789455, 947346, 1421019, 1578910, 1894692, 2368365, 2842038, 3157820, 4736730, 5684076, 7105095, 9473460, 14210190, 28420380]

約数ペア:

[(1, 28420380), (2, 14210190), (3, 9473460), (4, 7105095), (5, 5684076), (6, 4736730), (9, 3157820), (10, 2842038), (12, 2368365), (15, 1894692), (18, 1578910), (20, 1421019), (30, 947346), (36, 789455), (41, 693180), (45, 631564), (60, 473673), (82, 346590), (90, 315782), (123, 231060), (164, 173295), (180, 157891), (205, 138636), (246, 115530), (369, 77020), (410, 69318), (492, 57765), (615, 46212), (738, 38510), (820, 34659), (1230, 23106), (1476, 19255), (1845, 15404), (2460, 11553), (3690, 7702), (3851, 7380)]