79571960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 197640000

約数和(自身を除く): 118068040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 149, 158, 169, 260, 298, 316, 338, 395, 520, 596, 632, 676, 745, 790, 845, 1027, 1192, 1352, 1490, 1580, 1690, 1937, 2054, 2980, 3160, 3380, 3874, 4108, 5135, 5960, 6760, 7748, 8216, 9685, 10270, 11771, 13351, 15496, 19370, 20540, 23542, 25181, 26702, 38740, 41080, 47084, 50362, 53404, 58855, 66755, 77480, 94168, 100724, 106808, 117710, 125905, 133510, 153023, 201448, 235420, 251810, 267020, 306046, 470840, 503620, 534040, 612092, 765115, 1007240, 1224184, 1530230, 1989299, 3060460, 3978598, 6120920, 7957196, 9946495, 15914392, 19892990, 39785980, 79571960]

約数ペア:

[(1, 79571960), (2, 39785980), (4, 19892990), (5, 15914392), (8, 9946495), (10, 7957196), (13, 6120920), (20, 3978598), (26, 3060460), (40, 1989299), (52, 1530230), (65, 1224184), (79, 1007240), (104, 765115), (130, 612092), (149, 534040), (158, 503620), (169, 470840), (260, 306046), (298, 267020), (316, 251810), (338, 235420), (395, 201448), (520, 153023), (596, 133510), (632, 125905), (676, 117710), (745, 106808), (790, 100724), (845, 94168), (1027, 77480), (1192, 66755), (1352, 58855), (1490, 53404), (1580, 50362), (1690, 47084), (1937, 41080), (2054, 38740), (2980, 26702), (3160, 25181), (3380, 23542), (3874, 20540), (4108, 19370), (5135, 15496), (5960, 13351), (6760, 11771), (7748, 10270), (8216, 9685)]