1280917744

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{359}}^1\times {\mathrm{829}}^1$

素因数の和:1465

約数の個数: 40

約数和(自身を含む): 2500956000

約数和(自身を除く): 1220038256

約数列:

[1, 2, 4, 8, 16, 269, 359, 538, 718, 829, 1076, 1436, 1658, 2152, 2872, 3316, 4304, 5744, 6632, 13264, 96571, 193142, 223001, 297611, 386284, 446002, 595222, 772568, 892004, 1190444, 1545136, 1784008, 2380888, 3568016, 4761776, 80057359, 160114718, 320229436, 640458872, 1280917744]

約数ペア:

[(1, 1280917744), (2, 640458872), (4, 320229436), (8, 160114718), (16, 80057359), (269, 4761776), (359, 3568016), (538, 2380888), (718, 1784008), (829, 1545136), (1076, 1190444), (1436, 892004), (1658, 772568), (2152, 595222), (2872, 446002), (3316, 386284), (4304, 297611), (5744, 223001), (6632, 193142), (13264, 96571)]