1231720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 3265920

約数和(自身を除く): 2034200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 83, 106, 140, 166, 212, 265, 280, 332, 371, 415, 424, 530, 581, 664, 742, 830, 1060, 1162, 1484, 1660, 1855, 2120, 2324, 2905, 2968, 3320, 3710, 4399, 4648, 5810, 7420, 8798, 11620, 14840, 17596, 21995, 23240, 30793, 35192, 43990, 61586, 87980, 123172, 153965, 175960, 246344, 307930, 615860, 1231720]

約数ペア:

[(1, 1231720), (2, 615860), (4, 307930), (5, 246344), (7, 175960), (8, 153965), (10, 123172), (14, 87980), (20, 61586), (28, 43990), (35, 35192), (40, 30793), (53, 23240), (56, 21995), (70, 17596), (83, 14840), (106, 11620), (140, 8798), (166, 7420), (212, 5810), (265, 4648), (280, 4399), (332, 3710), (371, 3320), (415, 2968), (424, 2905), (530, 2324), (581, 2120), (664, 1855), (742, 1660), (830, 1484), (1060, 1162)]