69875820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{55457}}^1$

素因数の和:55479

約数の個数: 72

約数和(自身を含む): 242240544

約数和(自身を除く): 172364724

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, 55457, 110914, 166371, 221828, 277285, 332742, 388199, 499113, 554570, 665484, 776398, 831855, 998226, 1109140, 1164597, 1552796, 1663710, 1940995, 1996452, 2329194, 2495565, 3327420, 3493791, 3881990, 4658388, 4991130, 5822985, 6987582, 7763980, 9982260, 11645970, 13975164, 17468955, 23291940, 34937910, 69875820]

約数ペア:

[(1, 69875820), (2, 34937910), (3, 23291940), (4, 17468955), (5, 13975164), (6, 11645970), (7, 9982260), (9, 7763980), (10, 6987582), (12, 5822985), (14, 4991130), (15, 4658388), (18, 3881990), (20, 3493791), (21, 3327420), (28, 2495565), (30, 2329194), (35, 1996452), (36, 1940995), (42, 1663710), (45, 1552796), (60, 1164597), (63, 1109140), (70, 998226), (84, 831855), (90, 776398), (105, 665484), (126, 554570), (140, 499113), (180, 388199), (210, 332742), (252, 277285), (315, 221828), (420, 166371), (630, 110914), (1260, 55457)]