306431720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{1283}}^1$

素因数の和:2154

約数の個数: 64

約数和(自身を含む): 789505920

約数和(自身を除く): 483074200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 853, 1283, 1706, 2566, 3412, 4265, 5132, 5971, 6415, 6824, 8530, 8981, 10264, 11942, 12830, 17060, 17962, 23884, 25660, 29855, 34120, 35924, 44905, 47768, 51320, 59710, 71848, 89810, 119420, 179620, 238840, 359240, 1094399, 2188798, 4377596, 5471995, 7660793, 8755192, 10943990, 15321586, 21887980, 30643172, 38303965, 43775960, 61286344, 76607930, 153215860, 306431720]

約数ペア:

[(1, 306431720), (2, 153215860), (4, 76607930), (5, 61286344), (7, 43775960), (8, 38303965), (10, 30643172), (14, 21887980), (20, 15321586), (28, 10943990), (35, 8755192), (40, 7660793), (56, 5471995), (70, 4377596), (140, 2188798), (280, 1094399), (853, 359240), (1283, 238840), (1706, 179620), (2566, 119420), (3412, 89810), (4265, 71848), (5132, 59710), (5971, 51320), (6415, 47768), (6824, 44905), (8530, 35924), (8981, 34120), (10264, 29855), (11942, 25660), (12830, 23884), (17060, 17962)]