28282920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4447}}^1$

素因数の和:4514

約数の個数: 64

約数和(自身を含む): 86469120

約数和(自身を除く): 58186200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 4447, 6360, 8894, 13341, 17788, 22235, 26682, 35576, 44470, 53364, 66705, 88940, 106728, 133410, 177880, 235691, 266820, 471382, 533640, 707073, 942764, 1178455, 1414146, 1885528, 2356910, 2828292, 3535365, 4713820, 5656584, 7070730, 9427640, 14141460, 28282920]

約数ペア:

[(1, 28282920), (2, 14141460), (3, 9427640), (4, 7070730), (5, 5656584), (6, 4713820), (8, 3535365), (10, 2828292), (12, 2356910), (15, 1885528), (20, 1414146), (24, 1178455), (30, 942764), (40, 707073), (53, 533640), (60, 471382), (106, 266820), (120, 235691), (159, 177880), (212, 133410), (265, 106728), (318, 88940), (424, 66705), (530, 53364), (636, 44470), (795, 35576), (1060, 26682), (1272, 22235), (1590, 17788), (2120, 13341), (3180, 8894), (4447, 6360)]