28506480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2897}}^1$

素因数の和:2954

約数の個数: 80

約数和(自身を含む): 90556704

約数和(自身を除く): 62050224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 2897, 3280, 4920, 5794, 8691, 9840, 11588, 14485, 17382, 23176, 28970, 34764, 43455, 46352, 57940, 69528, 86910, 115880, 118777, 139056, 173820, 231760, 237554, 347640, 356331, 475108, 593885, 695280, 712662, 950216, 1187770, 1425324, 1781655, 1900432, 2375540, 2850648, 3563310, 4751080, 5701296, 7126620, 9502160, 14253240, 28506480]

約数ペア:

[(1, 28506480), (2, 14253240), (3, 9502160), (4, 7126620), (5, 5701296), (6, 4751080), (8, 3563310), (10, 2850648), (12, 2375540), (15, 1900432), (16, 1781655), (20, 1425324), (24, 1187770), (30, 950216), (40, 712662), (41, 695280), (48, 593885), (60, 475108), (80, 356331), (82, 347640), (120, 237554), (123, 231760), (164, 173820), (205, 139056), (240, 118777), (246, 115880), (328, 86910), (410, 69528), (492, 57940), (615, 46352), (656, 43455), (820, 34764), (984, 28970), (1230, 23176), (1640, 17382), (1968, 14485), (2460, 11588), (2897, 9840), (3280, 8691), (4920, 5794)]