90711880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 244270080

約数和(自身を除く): 153558200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 61, 70, 94, 113, 122, 140, 188, 226, 235, 244, 280, 305, 329, 376, 427, 452, 470, 488, 565, 610, 658, 791, 854, 904, 940, 1130, 1220, 1316, 1582, 1645, 1708, 1880, 2135, 2260, 2440, 2632, 2867, 3164, 3290, 3416, 3955, 4270, 4520, 5311, 5734, 6328, 6580, 6893, 7910, 8540, 10622, 11468, 13160, 13786, 14335, 15820, 17080, 20069, 21244, 22936, 26555, 27572, 28670, 31640, 34465, 37177, 40138, 42488, 48251, 53110, 55144, 57340, 68930, 74354, 80276, 96502, 100345, 106220, 114680, 137860, 148708, 160552, 185885, 193004, 200690, 212440, 241255, 275720, 297416, 323971, 371770, 386008, 401380, 482510, 647942, 743540, 802760, 965020, 1295884, 1487080, 1619855, 1930040, 2267797, 2591768, 3239710, 4535594, 6479420, 9071188, 11338985, 12958840, 18142376, 22677970, 45355940, 90711880]

約数ペア:

[(1, 90711880), (2, 45355940), (4, 22677970), (5, 18142376), (7, 12958840), (8, 11338985), (10, 9071188), (14, 6479420), (20, 4535594), (28, 3239710), (35, 2591768), (40, 2267797), (47, 1930040), (56, 1619855), (61, 1487080), (70, 1295884), (94, 965020), (113, 802760), (122, 743540), (140, 647942), (188, 482510), (226, 401380), (235, 386008), (244, 371770), (280, 323971), (305, 297416), (329, 275720), (376, 241255), (427, 212440), (452, 200690), (470, 193004), (488, 185885), (565, 160552), (610, 148708), (658, 137860), (791, 114680), (854, 106220), (904, 100345), (940, 96502), (1130, 80276), (1220, 74354), (1316, 68930), (1582, 57340), (1645, 55144), (1708, 53110), (1880, 48251), (2135, 42488), (2260, 40138), (2440, 37177), (2632, 34465), (2867, 31640), (3164, 28670), (3290, 27572), (3416, 26555), (3955, 22936), (4270, 21244), (4520, 20069), (5311, 17080), (5734, 15820), (6328, 14335), (6580, 13786), (6893, 13160), (7910, 11468), (8540, 10622)]