1915742220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 288

約数和(自身を含む): 6679604736

約数和(自身を除く): 4763862516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 41, 42, 46, 49, 60, 69, 70, 82, 84, 92, 98, 105, 115, 123, 138, 140, 147, 161, 164, 196, 205, 210, 230, 245, 246, 276, 287, 294, 322, 345, 410, 420, 460, 483, 490, 492, 574, 588, 615, 644, 690, 691, 735, 805, 820, 861, 943, 966, 980, 1127, 1148, 1230, 1380, 1382, 1435, 1470, 1610, 1722, 1886, 1932, 2009, 2073, 2254, 2415, 2460, 2764, 2829, 2870, 2940, 3220, 3381, 3444, 3455, 3772, 4018, 4146, 4305, 4508, 4715, 4830, 4837, 5635, 5658, 5740, 6027, 6601, 6762, 6910, 8036, 8292, 8610, 9430, 9660, 9674, 10045, 10365, 11270, 11316, 12054, 13202, 13524, 13820, 14145, 14511, 15893, 16905, 17220, 18860, 19348, 19803, 20090, 20730, 22540, 24108, 24185, 26404, 28290, 28331, 29022, 30135, 31786, 33005, 33810, 33859, 39606, 40180, 41460, 46207, 47679, 48370, 56580, 56662, 58044, 60270, 63572, 66010, 67620, 67718, 72555, 79212, 79465, 84993, 92414, 95358, 96740, 99015, 101577, 111251, 113324, 120540, 132020, 135436, 138621, 141655, 145110, 158930, 169295, 169986, 184828, 190716, 198030, 198317, 203154, 222502, 231035, 238395, 277242, 283310, 290220, 317860, 333753, 338590, 339972, 396060, 396634, 406308, 424965, 445004, 462070, 476790, 507885, 554484, 556255, 566620, 594951, 651613, 667506, 677180, 693105, 778757, 793268, 849930, 924140, 953580, 991585, 1015770, 1112510, 1189902, 1303226, 1335012, 1386210, 1388219, 1557514, 1668765, 1699860, 1954839, 1983170, 2031540, 2225020, 2336271, 2379804, 2606452, 2772420, 2776438, 2974755, 3115028, 3258065, 3337530, 3893785, 3909678, 3966340, 4164657, 4561291, 4672542, 5552876, 5949510, 6516130, 6675060, 6941095, 7787570, 7819356, 8329314, 9122582, 9345084, 9774195, 11681355, 11899020, 13032260, 13683873, 13882190, 15575140, 16658628, 18245164, 19548390, 20823285, 22806455, 23362710, 27367746, 27764380, 31929037, 39096780, 41646570, 45612910, 46725420, 54735492, 63858074, 68419365, 83293140, 91225820, 95787111, 127716148, 136838730, 159645185, 191574222, 273677460, 319290370, 383148444, 478935555, 638580740, 957871110, 1915742220]

約数ペア:

[(1, 1915742220), (2, 957871110), (3, 638580740), (4, 478935555), (5, 383148444), (6, 319290370), (7, 273677460), (10, 191574222), (12, 159645185), (14, 136838730), (15, 127716148), (20, 95787111), (21, 91225820), (23, 83293140), (28, 68419365), (30, 63858074), (35, 54735492), (41, 46725420), (42, 45612910), (46, 41646570), (49, 39096780), (60, 31929037), (69, 27764380), (70, 27367746), (82, 23362710), (84, 22806455), (92, 20823285), (98, 19548390), (105, 18245164), (115, 16658628), (123, 15575140), (138, 13882190), (140, 13683873), (147, 13032260), (161, 11899020), (164, 11681355), (196, 9774195), (205, 9345084), (210, 9122582), (230, 8329314), (245, 7819356), (246, 7787570), (276, 6941095), (287, 6675060), (294, 6516130), (322, 5949510), (345, 5552876), (410, 4672542), (420, 4561291), (460, 4164657), (483, 3966340), (490, 3909678), (492, 3893785), (574, 3337530), (588, 3258065), (615, 3115028), (644, 2974755), (690, 2776438), (691, 2772420), (735, 2606452), (805, 2379804), (820, 2336271), (861, 2225020), (943, 2031540), (966, 1983170), (980, 1954839), (1127, 1699860), (1148, 1668765), (1230, 1557514), (1380, 1388219), (1382, 1386210), (1435, 1335012), (1470, 1303226), (1610, 1189902), (1722, 1112510), (1886, 1015770), (1932, 991585), (2009, 953580), (2073, 924140), (2254, 849930), (2415, 793268), (2460, 778757), (2764, 693105), (2829, 677180), (2870, 667506), (2940, 651613), (3220, 594951), (3381, 566620), (3444, 556255), (3455, 554484), (3772, 507885), (4018, 476790), (4146, 462070), (4305, 445004), (4508, 424965), (4715, 406308), (4830, 396634), (4837, 396060), (5635, 339972), (5658, 338590), (5740, 333753), (6027, 317860), (6601, 290220), (6762, 283310), (6910, 277242), (8036, 238395), (8292, 231035), (8610, 222502), (9430, 203154), (9660, 198317), (9674, 198030), (10045, 190716), (10365, 184828), (11270, 169986), (11316, 169295), (12054, 158930), (13202, 145110), (13524, 141655), (13820, 138621), (14145, 135436), (14511, 132020), (15893, 120540), (16905, 113324), (17220, 111251), (18860, 101577), (19348, 99015), (19803, 96740), (20090, 95358), (20730, 92414), (22540, 84993), (24108, 79465), (24185, 79212), (26404, 72555), (28290, 67718), (28331, 67620), (29022, 66010), (30135, 63572), (31786, 60270), (33005, 58044), (33810, 56662), (33859, 56580), (39606, 48370), (40180, 47679), (41460, 46207)]