253474020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1487}}^1$

素因数の和:2449

約数の個数: 72

約数和(自身を含む): 770200704

約数和(自身を除く): 516726684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 947, 1487, 1894, 2841, 2974, 3788, 4461, 4735, 5682, 5948, 7435, 8523, 8922, 9470, 11364, 13383, 14205, 14870, 17046, 17844, 18940, 22305, 26766, 28410, 29740, 34092, 42615, 44610, 53532, 56820, 66915, 85230, 89220, 133830, 170460, 267660, 1408189, 2816378, 4224567, 5632756, 7040945, 8449134, 12673701, 14081890, 16898268, 21122835, 25347402, 28163780, 42245670, 50694804, 63368505, 84491340, 126737010, 253474020]

約数ペア:

[(1, 253474020), (2, 126737010), (3, 84491340), (4, 63368505), (5, 50694804), (6, 42245670), (9, 28163780), (10, 25347402), (12, 21122835), (15, 16898268), (18, 14081890), (20, 12673701), (30, 8449134), (36, 7040945), (45, 5632756), (60, 4224567), (90, 2816378), (180, 1408189), (947, 267660), (1487, 170460), (1894, 133830), (2841, 89220), (2974, 85230), (3788, 66915), (4461, 56820), (4735, 53532), (5682, 44610), (5948, 42615), (7435, 34092), (8523, 29740), (8922, 28410), (9470, 26766), (11364, 22305), (13383, 18940), (14205, 17844), (14870, 17046)]