66619120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 159989760

約数和(自身を除く): 93370640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 83, 127, 158, 166, 254, 316, 332, 395, 415, 508, 632, 635, 664, 790, 830, 1016, 1264, 1270, 1328, 1580, 1660, 2032, 2540, 3160, 3320, 5080, 6320, 6557, 6640, 10033, 10160, 10541, 13114, 20066, 21082, 26228, 32785, 40132, 42164, 50165, 52456, 52705, 65570, 80264, 84328, 100330, 104912, 105410, 131140, 160528, 168656, 200660, 210820, 262280, 401320, 421640, 524560, 802640, 832739, 843280, 1665478, 3330956, 4163695, 6661912, 8327390, 13323824, 16654780, 33309560, 66619120]

約数ペア:

[(1, 66619120), (2, 33309560), (4, 16654780), (5, 13323824), (8, 8327390), (10, 6661912), (16, 4163695), (20, 3330956), (40, 1665478), (79, 843280), (80, 832739), (83, 802640), (127, 524560), (158, 421640), (166, 401320), (254, 262280), (316, 210820), (332, 200660), (395, 168656), (415, 160528), (508, 131140), (632, 105410), (635, 104912), (664, 100330), (790, 84328), (830, 80264), (1016, 65570), (1264, 52705), (1270, 52456), (1328, 50165), (1580, 42164), (1660, 40132), (2032, 32785), (2540, 26228), (3160, 21082), (3320, 20066), (5080, 13114), (6320, 10541), (6557, 10160), (6640, 10033)]