64635340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 182004480

約数和(自身を除く): 117369140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 47, 55, 70, 76, 77, 94, 95, 110, 133, 140, 154, 188, 190, 209, 220, 235, 266, 308, 329, 380, 385, 418, 470, 517, 532, 658, 665, 770, 836, 893, 940, 1034, 1045, 1316, 1330, 1463, 1540, 1645, 1786, 2068, 2090, 2209, 2585, 2660, 2926, 3290, 3572, 3619, 4180, 4418, 4465, 5170, 5852, 6251, 6580, 7238, 7315, 8836, 8930, 9823, 10340, 11045, 12502, 14476, 14630, 15463, 17860, 18095, 19646, 22090, 24299, 25004, 29260, 30926, 31255, 36190, 39292, 41971, 44180, 48598, 49115, 61852, 62510, 68761, 72380, 77315, 83942, 97196, 98230, 121495, 125020, 137522, 154630, 167884, 170093, 196460, 209855, 242990, 275044, 293797, 309260, 340186, 343805, 419710, 461681, 485980, 587594, 680372, 687610, 839420, 850465, 923362, 1175188, 1375220, 1468985, 1700930, 1846724, 2308405, 2937970, 3231767, 3401860, 4616810, 5875940, 6463534, 9233620, 12927068, 16158835, 32317670, 64635340]

約数ペア:

[(1, 64635340), (2, 32317670), (4, 16158835), (5, 12927068), (7, 9233620), (10, 6463534), (11, 5875940), (14, 4616810), (19, 3401860), (20, 3231767), (22, 2937970), (28, 2308405), (35, 1846724), (38, 1700930), (44, 1468985), (47, 1375220), (55, 1175188), (70, 923362), (76, 850465), (77, 839420), (94, 687610), (95, 680372), (110, 587594), (133, 485980), (140, 461681), (154, 419710), (188, 343805), (190, 340186), (209, 309260), (220, 293797), (235, 275044), (266, 242990), (308, 209855), (329, 196460), (380, 170093), (385, 167884), (418, 154630), (470, 137522), (517, 125020), (532, 121495), (658, 98230), (665, 97196), (770, 83942), (836, 77315), (893, 72380), (940, 68761), (1034, 62510), (1045, 61852), (1316, 49115), (1330, 48598), (1463, 44180), (1540, 41971), (1645, 39292), (1786, 36190), (2068, 31255), (2090, 30926), (2209, 29260), (2585, 25004), (2660, 24299), (2926, 22090), (3290, 19646), (3572, 18095), (3619, 17860), (4180, 15463), (4418, 14630), (4465, 14476), (5170, 12502), (5852, 11045), (6251, 10340), (6580, 9823), (7238, 8930), (7315, 8836)]