66884560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 166060800

約数和(自身を除く): 99176240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 557, 632, 760, 790, 1114, 1264, 1501, 1520, 1580, 2228, 2785, 3002, 3160, 4456, 5570, 6004, 6320, 7505, 8912, 10583, 11140, 12008, 15010, 21166, 22280, 24016, 30020, 42332, 44003, 44560, 52915, 60040, 84664, 88006, 105830, 120080, 169328, 176012, 211660, 220015, 352024, 423320, 440030, 704048, 836057, 846640, 880060, 1672114, 1760120, 3344228, 3520240, 4180285, 6688456, 8360570, 13376912, 16721140, 33442280, 66884560]

約数ペア:

[(1, 66884560), (2, 33442280), (4, 16721140), (5, 13376912), (8, 8360570), (10, 6688456), (16, 4180285), (19, 3520240), (20, 3344228), (38, 1760120), (40, 1672114), (76, 880060), (79, 846640), (80, 836057), (95, 704048), (152, 440030), (158, 423320), (190, 352024), (304, 220015), (316, 211660), (380, 176012), (395, 169328), (557, 120080), (632, 105830), (760, 88006), (790, 84664), (1114, 60040), (1264, 52915), (1501, 44560), (1520, 44003), (1580, 42332), (2228, 30020), (2785, 24016), (3002, 22280), (3160, 21166), (4456, 15010), (5570, 12008), (6004, 11140), (6320, 10583), (7505, 8912)]