12246920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 31795200

約数和(自身を除く): 19548280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 229, 280, 382, 458, 764, 916, 955, 1145, 1337, 1528, 1603, 1832, 1910, 2290, 2674, 3206, 3820, 4580, 5348, 6412, 6685, 7640, 8015, 9160, 10696, 12824, 13370, 16030, 26740, 32060, 43739, 53480, 64120, 87478, 174956, 218695, 306173, 349912, 437390, 612346, 874780, 1224692, 1530865, 1749560, 2449384, 3061730, 6123460, 12246920]

約数ペア:

[(1, 12246920), (2, 6123460), (4, 3061730), (5, 2449384), (7, 1749560), (8, 1530865), (10, 1224692), (14, 874780), (20, 612346), (28, 437390), (35, 349912), (40, 306173), (56, 218695), (70, 174956), (140, 87478), (191, 64120), (229, 53480), (280, 43739), (382, 32060), (458, 26740), (764, 16030), (916, 13370), (955, 12824), (1145, 10696), (1337, 9160), (1528, 8015), (1603, 7640), (1832, 6685), (1910, 6412), (2290, 5348), (2674, 4580), (3206, 3820)]