331325820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{262957}}^1$

素因数の和:262979

約数の個数: 72

約数和(自身を含む): 1148600544

約数和(自身を除く): 817274724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 262957, 525914, 788871, 1051828, 1314785, 1577742, 1840699, 2366613, 2629570, 3155484, 3681398, 3944355, 4733226, 5259140, 5522097, 7362796, 7888710, 9203495, 9466452, 11044194, 11833065, 15777420, 16566291, 18406990, 22088388, 23666130, 27610485, 33132582, 36813980, 47332260, 55220970, 66265164, 82831455, 110441940, 165662910, 331325820]

約数ペア:

[(1, 331325820), (2, 165662910), (3, 110441940), (4, 82831455), (5, 66265164), (6, 55220970), (7, 47332260), (9, 36813980), (10, 33132582), (12, 27610485), (14, 23666130), (15, 22088388), (18, 18406990), (20, 16566291), (21, 15777420), (28, 11833065), (30, 11044194), (35, 9466452), (36, 9203495), (42, 7888710), (45, 7362796), (60, 5522097), (63, 5259140), (70, 4733226), (84, 3944355), (90, 3681398), (105, 3155484), (126, 2629570), (140, 2366613), (180, 1840699), (210, 1577742), (252, 1314785), (315, 1051828), (420, 788871), (630, 525914), (1260, 262957)]