30623720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 41226520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 263, 284, 328, 355, 410, 526, 568, 710, 820, 1052, 1315, 1420, 1640, 2104, 2630, 2840, 2911, 5260, 5822, 10520, 10783, 11644, 14555, 18673, 21566, 23288, 29110, 37346, 43132, 53915, 58220, 74692, 86264, 93365, 107830, 116440, 149384, 186730, 215660, 373460, 431320, 746920, 765593, 1531186, 3062372, 3827965, 6124744, 7655930, 15311860, 30623720]

約数ペア:

[(1, 30623720), (2, 15311860), (4, 7655930), (5, 6124744), (8, 3827965), (10, 3062372), (20, 1531186), (40, 765593), (41, 746920), (71, 431320), (82, 373460), (142, 215660), (164, 186730), (205, 149384), (263, 116440), (284, 107830), (328, 93365), (355, 86264), (410, 74692), (526, 58220), (568, 53915), (710, 43132), (820, 37346), (1052, 29110), (1315, 23288), (1420, 21566), (1640, 18673), (2104, 14555), (2630, 11644), (2840, 10783), (2911, 10520), (5260, 5822)]