15569820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1373}}^1$

素因数の和:1401

約数の個数: 120

約数和(自身を含む): 55861344

約数和(自身を除く): 40291524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1373, 1620, 1890, 2268, 2746, 2835, 3780, 4119, 5492, 5670, 6865, 8238, 9611, 11340, 12357, 13730, 16476, 19222, 20595, 24714, 27460, 28833, 37071, 38444, 41190, 48055, 49428, 57666, 61785, 74142, 82380, 86499, 96110, 111213, 115332, 123570, 144165, 148284, 172998, 185355, 192220, 222426, 247140, 259497, 288330, 345996, 370710, 432495, 444852, 518994, 556065, 576660, 741420, 778491, 864990, 1037988, 1112130, 1297485, 1556982, 1729980, 2224260, 2594970, 3113964, 3892455, 5189940, 7784910, 15569820]

約数ペア:

[(1, 15569820), (2, 7784910), (3, 5189940), (4, 3892455), (5, 3113964), (6, 2594970), (7, 2224260), (9, 1729980), (10, 1556982), (12, 1297485), (14, 1112130), (15, 1037988), (18, 864990), (20, 778491), (21, 741420), (27, 576660), (28, 556065), (30, 518994), (35, 444852), (36, 432495), (42, 370710), (45, 345996), (54, 288330), (60, 259497), (63, 247140), (70, 222426), (81, 192220), (84, 185355), (90, 172998), (105, 148284), (108, 144165), (126, 123570), (135, 115332), (140, 111213), (162, 96110), (180, 86499), (189, 82380), (210, 74142), (252, 61785), (270, 57666), (315, 49428), (324, 48055), (378, 41190), (405, 38444), (420, 37071), (540, 28833), (567, 27460), (630, 24714), (756, 20595), (810, 19222), (945, 16476), (1134, 13730), (1260, 12357), (1373, 11340), (1620, 9611), (1890, 8238), (2268, 6865), (2746, 5670), (2835, 5492), (3780, 4119)]