28275240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:883

約数の個数: 128

約数和(自身を含む): 99429120

約数和(自身を除く): 71153880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 821, 840, 861, 984, 1148, 1230, 1435, 1640, 1642, 1722, 2296, 2460, 2463, 2870, 3284, 3444, 4105, 4305, 4920, 4926, 5740, 5747, 6568, 6888, 8210, 8610, 9852, 11480, 11494, 12315, 16420, 17220, 17241, 19704, 22988, 24630, 28735, 32840, 33661, 34440, 34482, 45976, 49260, 57470, 67322, 68964, 86205, 98520, 100983, 114940, 134644, 137928, 168305, 172410, 201966, 229880, 235627, 269288, 336610, 344820, 403932, 471254, 504915, 673220, 689640, 706881, 807864, 942508, 1009830, 1178135, 1346440, 1413762, 1885016, 2019660, 2356270, 2827524, 3534405, 4039320, 4712540, 5655048, 7068810, 9425080, 14137620, 28275240]

約数ペア:

[(1, 28275240), (2, 14137620), (3, 9425080), (4, 7068810), (5, 5655048), (6, 4712540), (7, 4039320), (8, 3534405), (10, 2827524), (12, 2356270), (14, 2019660), (15, 1885016), (20, 1413762), (21, 1346440), (24, 1178135), (28, 1009830), (30, 942508), (35, 807864), (40, 706881), (41, 689640), (42, 673220), (56, 504915), (60, 471254), (70, 403932), (82, 344820), (84, 336610), (105, 269288), (120, 235627), (123, 229880), (140, 201966), (164, 172410), (168, 168305), (205, 137928), (210, 134644), (246, 114940), (280, 100983), (287, 98520), (328, 86205), (410, 68964), (420, 67322), (492, 57470), (574, 49260), (615, 45976), (820, 34482), (821, 34440), (840, 33661), (861, 32840), (984, 28735), (1148, 24630), (1230, 22988), (1435, 19704), (1640, 17241), (1642, 17220), (1722, 16420), (2296, 12315), (2460, 11494), (2463, 11480), (2870, 9852), (3284, 8610), (3444, 8210), (4105, 6888), (4305, 6568), (4920, 5747), (4926, 5740)]