21691388520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{6481}}^1$

素因数の和:7537

約数の個数: 160

約数和(自身を含む): 72989005320

約数和(自身を除く): 51297616800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1033, 1080, 1620, 2066, 3099, 3240, 4132, 5165, 6198, 6481, 8264, 9297, 10330, 12396, 12962, 15495, 18594, 19443, 20660, 24792, 25924, 27891, 30990, 32405, 37188, 38886, 41320, 46485, 51848, 55782, 58329, 61980, 64810, 74376, 77772, 83673, 92970, 97215, 111564, 116658, 123960, 129620, 139455, 155544, 167346, 174987, 185940, 194430, 223128, 233316, 259240, 278910, 291645, 334692, 349974, 371880, 388860, 418365, 466632, 524961, 557820, 583290, 669384, 699948, 777720, 836730, 874935, 1049922, 1115640, 1166580, 1399896, 1673460, 1749870, 2099844, 2333160, 2624805, 3346920, 3499740, 4199688, 5249610, 6694873, 6999480, 10499220, 13389746, 20084619, 20998440, 26779492, 33474365, 40169238, 53558984, 60253857, 66948730, 80338476, 100423095, 120507714, 133897460, 160676952, 180761571, 200846190, 241015428, 267794920, 301269285, 361523142, 401692380, 482030856, 542284713, 602538570, 723046284, 803384760, 903807855, 1084569426, 1205077140, 1446092568, 1807615710, 2169138852, 2410154280, 2711423565, 3615231420, 4338277704, 5422847130, 7230462840, 10845694260, 21691388520]

約数ペア:

[(1, 21691388520), (2, 10845694260), (3, 7230462840), (4, 5422847130), (5, 4338277704), (6, 3615231420), (8, 2711423565), (9, 2410154280), (10, 2169138852), (12, 1807615710), (15, 1446092568), (18, 1205077140), (20, 1084569426), (24, 903807855), (27, 803384760), (30, 723046284), (36, 602538570), (40, 542284713), (45, 482030856), (54, 401692380), (60, 361523142), (72, 301269285), (81, 267794920), (90, 241015428), (108, 200846190), (120, 180761571), (135, 160676952), (162, 133897460), (180, 120507714), (216, 100423095), (270, 80338476), (324, 66948730), (360, 60253857), (405, 53558984), (540, 40169238), (648, 33474365), (810, 26779492), (1033, 20998440), (1080, 20084619), (1620, 13389746), (2066, 10499220), (3099, 6999480), (3240, 6694873), (4132, 5249610), (5165, 4199688), (6198, 3499740), (6481, 3346920), (8264, 2624805), (9297, 2333160), (10330, 2099844), (12396, 1749870), (12962, 1673460), (15495, 1399896), (18594, 1166580), (19443, 1115640), (20660, 1049922), (24792, 874935), (25924, 836730), (27891, 777720), (30990, 699948), (32405, 669384), (37188, 583290), (38886, 557820), (41320, 524961), (46485, 466632), (51848, 418365), (55782, 388860), (58329, 371880), (61980, 349974), (64810, 334692), (74376, 291645), (77772, 278910), (83673, 259240), (92970, 233316), (97215, 223128), (111564, 194430), (116658, 185940), (123960, 174987), (129620, 167346), (139455, 155544)]