15778720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5801}}^1$

素因数の和:5833

約数の個数: 48

約数和(自身を含む): 39476808

約数和(自身を除く): 23698088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 5801, 11602, 23204, 29005, 46408, 58010, 92816, 98617, 116020, 185632, 197234, 232040, 394468, 464080, 493085, 788936, 928160, 986170, 1577872, 1972340, 3155744, 3944680, 7889360, 15778720]

約数ペア:

[(1, 15778720), (2, 7889360), (4, 3944680), (5, 3155744), (8, 1972340), (10, 1577872), (16, 986170), (17, 928160), (20, 788936), (32, 493085), (34, 464080), (40, 394468), (68, 232040), (80, 197234), (85, 185632), (136, 116020), (160, 98617), (170, 92816), (272, 58010), (340, 46408), (544, 29005), (680, 23204), (1360, 11602), (2720, 5801)]