255679020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5527}}^1$

素因数の和:5799

約数の個数: 72

約数和(自身を含む): 778718304

約数和(自身を除く): 523039284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4626, 5140, 5527, 7710, 9252, 11054, 11565, 15420, 16581, 22108, 23130, 27635, 33162, 46260, 49743, 55270, 66324, 82905, 99486, 110540, 165810, 198972, 248715, 331620, 497430, 994860, 1420439, 2840878, 4261317, 5681756, 7102195, 8522634, 12783951, 14204390, 17045268, 21306585, 25567902, 28408780, 42613170, 51135804, 63919755, 85226340, 127839510, 255679020]

約数ペア:

[(1, 255679020), (2, 127839510), (3, 85226340), (4, 63919755), (5, 51135804), (6, 42613170), (9, 28408780), (10, 25567902), (12, 21306585), (15, 17045268), (18, 14204390), (20, 12783951), (30, 8522634), (36, 7102195), (45, 5681756), (60, 4261317), (90, 2840878), (180, 1420439), (257, 994860), (514, 497430), (771, 331620), (1028, 248715), (1285, 198972), (1542, 165810), (2313, 110540), (2570, 99486), (3084, 82905), (3855, 66324), (4626, 55270), (5140, 49743), (5527, 46260), (7710, 33162), (9252, 27635), (11054, 23130), (11565, 22108), (15420, 16581)]