687551220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:395

約数の個数: 192

約数和(自身を含む): 2206310400

約数和(自身を除く): 1518759180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 79, 90, 108, 135, 142, 158, 180, 213, 227, 237, 270, 284, 316, 355, 395, 426, 454, 474, 540, 639, 681, 710, 711, 790, 852, 908, 948, 1065, 1135, 1185, 1278, 1362, 1420, 1422, 1580, 1917, 2043, 2130, 2133, 2270, 2370, 2556, 2724, 2844, 3195, 3405, 3555, 3834, 4086, 4260, 4266, 4540, 4740, 5609, 6129, 6390, 6810, 7110, 7668, 8172, 8532, 9585, 10215, 10665, 11218, 12258, 12780, 13620, 14220, 16117, 16827, 17933, 19170, 20430, 21330, 22436, 24516, 28045, 30645, 32234, 33654, 35866, 38340, 40860, 42660, 48351, 50481, 53799, 56090, 61290, 64468, 67308, 71732, 80585, 84135, 89665, 96702, 100962, 107598, 112180, 122580, 145053, 151443, 161170, 161397, 168270, 179330, 193404, 201924, 215196, 241755, 252405, 268995, 290106, 302886, 322340, 322794, 336540, 358660, 435159, 483510, 484191, 504810, 537990, 580212, 605772, 645588, 725265, 757215, 806985, 870318, 967020, 968382, 1009620, 1075980, 1273243, 1450530, 1514430, 1613970, 1740636, 1936764, 2175795, 2420955, 2546486, 2901060, 3028860, 3227940, 3819729, 4351590, 4841910, 5092972, 6366215, 7639458, 8703180, 9683820, 11459187, 12732430, 15278916, 19098645, 22918374, 25464860, 34377561, 38197290, 45836748, 57295935, 68755122, 76394580, 114591870, 137510244, 171887805, 229183740, 343775610, 687551220]

約数ペア:

[(1, 687551220), (2, 343775610), (3, 229183740), (4, 171887805), (5, 137510244), (6, 114591870), (9, 76394580), (10, 68755122), (12, 57295935), (15, 45836748), (18, 38197290), (20, 34377561), (27, 25464860), (30, 22918374), (36, 19098645), (45, 15278916), (54, 12732430), (60, 11459187), (71, 9683820), (79, 8703180), (90, 7639458), (108, 6366215), (135, 5092972), (142, 4841910), (158, 4351590), (180, 3819729), (213, 3227940), (227, 3028860), (237, 2901060), (270, 2546486), (284, 2420955), (316, 2175795), (355, 1936764), (395, 1740636), (426, 1613970), (454, 1514430), (474, 1450530), (540, 1273243), (639, 1075980), (681, 1009620), (710, 968382), (711, 967020), (790, 870318), (852, 806985), (908, 757215), (948, 725265), (1065, 645588), (1135, 605772), (1185, 580212), (1278, 537990), (1362, 504810), (1420, 484191), (1422, 483510), (1580, 435159), (1917, 358660), (2043, 336540), (2130, 322794), (2133, 322340), (2270, 302886), (2370, 290106), (2556, 268995), (2724, 252405), (2844, 241755), (3195, 215196), (3405, 201924), (3555, 193404), (3834, 179330), (4086, 168270), (4260, 161397), (4266, 161170), (4540, 151443), (4740, 145053), (5609, 122580), (6129, 112180), (6390, 107598), (6810, 100962), (7110, 96702), (7668, 89665), (8172, 84135), (8532, 80585), (9585, 71732), (10215, 67308), (10665, 64468), (11218, 61290), (12258, 56090), (12780, 53799), (13620, 50481), (14220, 48351), (16117, 42660), (16827, 40860), (17933, 38340), (19170, 35866), (20430, 33654), (21330, 32234), (22436, 30645), (24516, 28045)]