407138220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2789}}^1$

素因数の和:3615

約数の個数: 72

約数和(自身を含む): 1236952080

約数和(自身を除く): 829813860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 811, 1622, 2433, 2789, 3244, 4055, 4866, 5578, 7299, 8110, 8367, 9732, 11156, 12165, 13945, 14598, 16220, 16734, 24330, 25101, 27890, 29196, 33468, 36495, 41835, 48660, 50202, 55780, 72990, 83670, 100404, 125505, 145980, 167340, 251010, 502020, 2261879, 4523758, 6785637, 9047516, 11309395, 13571274, 20356911, 22618790, 27142548, 33928185, 40713822, 45237580, 67856370, 81427644, 101784555, 135712740, 203569110, 407138220]

約数ペア:

[(1, 407138220), (2, 203569110), (3, 135712740), (4, 101784555), (5, 81427644), (6, 67856370), (9, 45237580), (10, 40713822), (12, 33928185), (15, 27142548), (18, 22618790), (20, 20356911), (30, 13571274), (36, 11309395), (45, 9047516), (60, 6785637), (90, 4523758), (180, 2261879), (811, 502020), (1622, 251010), (2433, 167340), (2789, 145980), (3244, 125505), (4055, 100404), (4866, 83670), (5578, 72990), (7299, 55780), (8110, 50202), (8367, 48660), (9732, 41835), (11156, 36495), (12165, 33468), (13945, 29196), (14598, 27890), (16220, 25101), (16734, 24330)]