57207640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1181}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 148080960

約数和(自身を除く): 90873320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1181, 1211, 1384, 1730, 2362, 2422, 3460, 4724, 4844, 5905, 6055, 6920, 8267, 9448, 9688, 11810, 12110, 16534, 23620, 24220, 33068, 41335, 47240, 48440, 66136, 82670, 165340, 204313, 330680, 408626, 817252, 1021565, 1430191, 1634504, 2043130, 2860382, 4086260, 5720764, 7150955, 8172520, 11441528, 14301910, 28603820, 57207640]

約数ペア:

[(1, 57207640), (2, 28603820), (4, 14301910), (5, 11441528), (7, 8172520), (8, 7150955), (10, 5720764), (14, 4086260), (20, 2860382), (28, 2043130), (35, 1634504), (40, 1430191), (56, 1021565), (70, 817252), (140, 408626), (173, 330680), (280, 204313), (346, 165340), (692, 82670), (865, 66136), (1181, 48440), (1211, 47240), (1384, 41335), (1730, 33068), (2362, 24220), (2422, 23620), (3460, 16534), (4724, 12110), (4844, 11810), (5905, 9688), (6055, 9448), (6920, 8267)]