717654320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{27773}}^1$

素因数の和:27822

約数の個数: 80

約数和(自身を含む): 1859747040

約数和(自身を除く): 1142092720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 12920, 25840, 27773, 55546, 111092, 138865, 222184, 277730, 444368, 472141, 527687, 555460, 944282, 1055374, 1110920, 1888564, 2110748, 2221840, 2360705, 2638435, 3777128, 4221496, 4721410, 5276870, 7554256, 8442992, 8970679, 9442820, 10553740, 17941358, 18885640, 21107480, 35882716, 37771280, 42214960, 44853395, 71765432, 89706790, 143530864, 179413580, 358827160, 717654320]

約数ペア:

[(1, 717654320), (2, 358827160), (4, 179413580), (5, 143530864), (8, 89706790), (10, 71765432), (16, 44853395), (17, 42214960), (19, 37771280), (20, 35882716), (34, 21107480), (38, 18885640), (40, 17941358), (68, 10553740), (76, 9442820), (80, 8970679), (85, 8442992), (95, 7554256), (136, 5276870), (152, 4721410), (170, 4221496), (190, 3777128), (272, 2638435), (304, 2360705), (323, 2221840), (340, 2110748), (380, 1888564), (646, 1110920), (680, 1055374), (760, 944282), (1292, 555460), (1360, 527687), (1520, 472141), (1615, 444368), (2584, 277730), (3230, 222184), (5168, 138865), (6460, 111092), (12920, 55546), (25840, 27773)]