28556730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 78084864

約数和(自身を除く): 49528134

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 47, 86, 90, 94, 129, 141, 157, 215, 235, 258, 282, 314, 387, 423, 430, 470, 471, 645, 705, 774, 785, 846, 942, 1290, 1410, 1413, 1570, 1935, 2021, 2115, 2355, 2826, 3870, 4042, 4230, 4710, 6063, 6751, 7065, 7379, 10105, 12126, 13502, 14130, 14758, 18189, 20210, 20253, 22137, 30315, 33755, 36378, 36895, 40506, 44274, 60630, 60759, 66411, 67510, 73790, 90945, 101265, 110685, 121518, 132822, 181890, 202530, 221370, 303795, 317297, 332055, 607590, 634594, 664110, 951891, 1586485, 1903782, 2855673, 3172970, 4759455, 5711346, 9518910, 14278365, 28556730]

約数ペア:

[(1, 28556730), (2, 14278365), (3, 9518910), (5, 5711346), (6, 4759455), (9, 3172970), (10, 2855673), (15, 1903782), (18, 1586485), (30, 951891), (43, 664110), (45, 634594), (47, 607590), (86, 332055), (90, 317297), (94, 303795), (129, 221370), (141, 202530), (157, 181890), (215, 132822), (235, 121518), (258, 110685), (282, 101265), (314, 90945), (387, 73790), (423, 67510), (430, 66411), (470, 60759), (471, 60630), (645, 44274), (705, 40506), (774, 36895), (785, 36378), (846, 33755), (942, 30315), (1290, 22137), (1410, 20253), (1413, 20210), (1570, 18189), (1935, 14758), (2021, 14130), (2115, 13502), (2355, 12126), (2826, 10105), (3870, 7379), (4042, 7065), (4230, 6751), (4710, 6063)]