180312760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1327}}^1$

素因数の和:1460

約数の個数: 64

約数和(自身を含む): 420710400

約数和(自身を除く): 240397640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 215, 316, 344, 395, 430, 632, 790, 860, 1327, 1580, 1720, 2654, 3160, 3397, 5308, 6635, 6794, 10616, 13270, 13588, 16985, 26540, 27176, 33970, 53080, 57061, 67940, 104833, 114122, 135880, 209666, 228244, 285305, 419332, 456488, 524165, 570610, 838664, 1048330, 1141220, 2096660, 2282440, 4193320, 4507819, 9015638, 18031276, 22539095, 36062552, 45078190, 90156380, 180312760]

約数ペア:

[(1, 180312760), (2, 90156380), (4, 45078190), (5, 36062552), (8, 22539095), (10, 18031276), (20, 9015638), (40, 4507819), (43, 4193320), (79, 2282440), (86, 2096660), (158, 1141220), (172, 1048330), (215, 838664), (316, 570610), (344, 524165), (395, 456488), (430, 419332), (632, 285305), (790, 228244), (860, 209666), (1327, 135880), (1580, 114122), (1720, 104833), (2654, 67940), (3160, 57061), (3397, 53080), (5308, 33970), (6635, 27176), (6794, 26540), (10616, 16985), (13270, 13588)]