320425328

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 674796096

約数和(自身を除く): 354370768

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 92, 101, 148, 184, 202, 233, 296, 368, 404, 466, 592, 808, 851, 932, 1616, 1702, 1864, 2323, 3404, 3728, 3737, 4646, 5359, 6808, 7474, 8621, 9292, 10718, 13616, 14948, 17242, 18584, 21436, 23533, 29896, 34484, 37168, 42872, 47066, 59792, 68968, 85744, 85951, 94132, 137936, 171902, 188264, 198283, 343804, 376528, 396566, 541259, 687608, 793132, 870721, 1082518, 1375216, 1586264, 1741442, 2165036, 3172528, 3482884, 4330072, 6965768, 8660144, 13931536, 20026583, 40053166, 80106332, 160212664, 320425328]

約数ペア:

[(1, 320425328), (2, 160212664), (4, 80106332), (8, 40053166), (16, 20026583), (23, 13931536), (37, 8660144), (46, 6965768), (74, 4330072), (92, 3482884), (101, 3172528), (148, 2165036), (184, 1741442), (202, 1586264), (233, 1375216), (296, 1082518), (368, 870721), (404, 793132), (466, 687608), (592, 541259), (808, 396566), (851, 376528), (932, 343804), (1616, 198283), (1702, 188264), (1864, 171902), (2323, 137936), (3404, 94132), (3728, 85951), (3737, 85744), (4646, 68968), (5359, 59792), (6808, 47066), (7474, 42872), (8621, 37168), (9292, 34484), (10718, 29896), (13616, 23533), (14948, 21436), (17242, 18584)]