30263320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 70531200

約数和(自身を除く): 40267880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 157, 158, 244, 305, 314, 316, 395, 488, 610, 628, 632, 785, 790, 1220, 1256, 1570, 1580, 2440, 3140, 3160, 4819, 6280, 9577, 9638, 12403, 19154, 19276, 24095, 24806, 38308, 38552, 47885, 48190, 49612, 62015, 76616, 95770, 96380, 99224, 124030, 191540, 192760, 248060, 383080, 496120, 756583, 1513166, 3026332, 3782915, 6052664, 7565830, 15131660, 30263320]

約数ペア:

[(1, 30263320), (2, 15131660), (4, 7565830), (5, 6052664), (8, 3782915), (10, 3026332), (20, 1513166), (40, 756583), (61, 496120), (79, 383080), (122, 248060), (157, 192760), (158, 191540), (244, 124030), (305, 99224), (314, 96380), (316, 95770), (395, 76616), (488, 62015), (610, 49612), (628, 48190), (632, 47885), (785, 38552), (790, 38308), (1220, 24806), (1256, 24095), (1570, 19276), (1580, 19154), (2440, 12403), (3140, 9638), (3160, 9577), (4819, 6280)]