66464320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1229}}^1$

素因数の和:1272

約数の個数: 84

約数和(自身を含む): 171518580

約数和(自身を除く): 105054260

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1229, 1352, 1690, 2080, 2458, 2704, 3380, 4160, 4916, 5408, 6145, 6760, 9832, 10816, 12290, 13520, 15977, 19664, 24580, 27040, 31954, 39328, 49160, 54080, 63908, 78656, 79885, 98320, 127816, 159770, 196640, 207701, 255632, 319540, 393280, 415402, 511264, 639080, 830804, 1022528, 1038505, 1278160, 1661608, 2077010, 2556320, 3323216, 4154020, 5112640, 6646432, 8308040, 13292864, 16616080, 33232160, 66464320]

約数ペア:

[(1, 66464320), (2, 33232160), (4, 16616080), (5, 13292864), (8, 8308040), (10, 6646432), (13, 5112640), (16, 4154020), (20, 3323216), (26, 2556320), (32, 2077010), (40, 1661608), (52, 1278160), (64, 1038505), (65, 1022528), (80, 830804), (104, 639080), (130, 511264), (160, 415402), (169, 393280), (208, 319540), (260, 255632), (320, 207701), (338, 196640), (416, 159770), (520, 127816), (676, 98320), (832, 79885), (845, 78656), (1040, 63908), (1229, 54080), (1352, 49160), (1690, 39328), (2080, 31954), (2458, 27040), (2704, 24580), (3380, 19664), (4160, 15977), (4916, 13520), (5408, 12290), (6145, 10816), (6760, 9832)]