158758720

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2741}}^1$

素因数の和:2939

約数の個数: 56

約数和(自身を含む): 380271528

約数和(自身を除く): 221512808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 320, 362, 724, 905, 1448, 1810, 2741, 2896, 3620, 5482, 5792, 7240, 10964, 11584, 13705, 14480, 21928, 27410, 28960, 43856, 54820, 57920, 87712, 109640, 175424, 219280, 438560, 496121, 877120, 992242, 1984484, 2480605, 3968968, 4961210, 7937936, 9922420, 15875872, 19844840, 31751744, 39689680, 79379360, 158758720]

約数ペア:

[(1, 158758720), (2, 79379360), (4, 39689680), (5, 31751744), (8, 19844840), (10, 15875872), (16, 9922420), (20, 7937936), (32, 4961210), (40, 3968968), (64, 2480605), (80, 1984484), (160, 992242), (181, 877120), (320, 496121), (362, 438560), (724, 219280), (905, 175424), (1448, 109640), (1810, 87712), (2741, 57920), (2896, 54820), (3620, 43856), (5482, 28960), (5792, 27410), (7240, 21928), (10964, 14480), (11584, 13705)]