65330320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 120

約数和(自身を含む): 177223032

約数和(自身を除く): 111892712

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 170, 176, 187, 220, 242, 272, 340, 374, 397, 440, 484, 605, 680, 748, 794, 880, 935, 968, 1210, 1360, 1496, 1588, 1870, 1936, 1985, 2057, 2420, 2992, 3176, 3740, 3970, 4114, 4367, 4840, 6352, 6749, 7480, 7940, 8228, 8734, 9680, 10285, 13498, 14960, 15880, 16456, 17468, 20570, 21835, 26996, 31760, 32912, 33745, 34936, 41140, 43670, 48037, 53992, 67490, 69872, 74239, 82280, 87340, 96074, 107984, 134980, 148478, 164560, 174680, 192148, 240185, 269960, 296956, 349360, 371195, 384296, 480370, 539920, 593912, 742390, 768592, 816629, 960740, 1187824, 1484780, 1633258, 1921480, 2969560, 3266516, 3842960, 4083145, 5939120, 6533032, 8166290, 13066064, 16332580, 32665160, 65330320]

約数ペア:

[(1, 65330320), (2, 32665160), (4, 16332580), (5, 13066064), (8, 8166290), (10, 6533032), (11, 5939120), (16, 4083145), (17, 3842960), (20, 3266516), (22, 2969560), (34, 1921480), (40, 1633258), (44, 1484780), (55, 1187824), (68, 960740), (80, 816629), (85, 768592), (88, 742390), (110, 593912), (121, 539920), (136, 480370), (170, 384296), (176, 371195), (187, 349360), (220, 296956), (242, 269960), (272, 240185), (340, 192148), (374, 174680), (397, 164560), (440, 148478), (484, 134980), (605, 107984), (680, 96074), (748, 87340), (794, 82280), (880, 74239), (935, 69872), (968, 67490), (1210, 53992), (1360, 48037), (1496, 43670), (1588, 41140), (1870, 34936), (1936, 33745), (1985, 32912), (2057, 31760), (2420, 26996), (2992, 21835), (3176, 20570), (3740, 17468), (3970, 16456), (4114, 15880), (4367, 14960), (4840, 13498), (6352, 10285), (6749, 9680), (7480, 8734), (7940, 8228)]