256939800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32941}}^1$

素因数の和:32973

約数の個数: 96

約数和(自身を含む): 857809680

約数和(自身を除く): 600869880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 32941, 65882, 98823, 131764, 164705, 197646, 263528, 329410, 395292, 428233, 494115, 658820, 790584, 823525, 856466, 988230, 1284699, 1317640, 1647050, 1712932, 1976460, 2141165, 2470575, 2569398, 3294100, 3425864, 3952920, 4282330, 4941150, 5138796, 6423495, 6588200, 8564660, 9882300, 10277592, 10705825, 12846990, 17129320, 19764600, 21411650, 25693980, 32117475, 42823300, 51387960, 64234950, 85646600, 128469900, 256939800]

約数ペア:

[(1, 256939800), (2, 128469900), (3, 85646600), (4, 64234950), (5, 51387960), (6, 42823300), (8, 32117475), (10, 25693980), (12, 21411650), (13, 19764600), (15, 17129320), (20, 12846990), (24, 10705825), (25, 10277592), (26, 9882300), (30, 8564660), (39, 6588200), (40, 6423495), (50, 5138796), (52, 4941150), (60, 4282330), (65, 3952920), (75, 3425864), (78, 3294100), (100, 2569398), (104, 2470575), (120, 2141165), (130, 1976460), (150, 1712932), (156, 1647050), (195, 1317640), (200, 1284699), (260, 988230), (300, 856466), (312, 823525), (325, 790584), (390, 658820), (520, 494115), (600, 428233), (650, 395292), (780, 329410), (975, 263528), (1300, 197646), (1560, 164705), (1950, 131764), (2600, 98823), (3900, 65882), (7800, 32941)]