15040640

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 36573120

約数和(自身を除く): 21532480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 331, 355, 568, 640, 662, 710, 1136, 1324, 1420, 1655, 2272, 2648, 2840, 3310, 4544, 5296, 5680, 6620, 9088, 10592, 11360, 13240, 21184, 22720, 23501, 26480, 42368, 45440, 47002, 52960, 94004, 105920, 117505, 188008, 211840, 235010, 376016, 470020, 752032, 940040, 1504064, 1880080, 3008128, 3760160, 7520320, 15040640]

約数ペア:

[(1, 15040640), (2, 7520320), (4, 3760160), (5, 3008128), (8, 1880080), (10, 1504064), (16, 940040), (20, 752032), (32, 470020), (40, 376016), (64, 235010), (71, 211840), (80, 188008), (128, 117505), (142, 105920), (160, 94004), (284, 52960), (320, 47002), (331, 45440), (355, 42368), (568, 26480), (640, 23501), (662, 22720), (710, 21184), (1136, 13240), (1324, 11360), (1420, 10592), (1655, 9088), (2272, 6620), (2648, 5680), (2840, 5296), (3310, 4544)]