718039980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{593}}^1$

素因数の和:677

約数の個数: 216

約数和(自身を含む): 2576429856

約数和(自身を除く): 1858389876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 593, 620, 630, 651, 868, 930, 961, 1085, 1116, 1186, 1260, 1302, 1395, 1779, 1860, 1922, 1953, 2170, 2372, 2604, 2790, 2883, 2965, 3255, 3558, 3844, 3906, 4151, 4340, 4805, 5337, 5580, 5766, 5930, 6510, 6727, 7116, 7812, 8302, 8649, 8895, 9610, 9765, 10674, 11532, 11860, 12453, 13020, 13454, 14415, 16604, 17298, 17790, 18383, 19220, 19530, 20181, 20755, 21348, 24906, 26685, 26908, 28830, 33635, 34596, 35580, 36766, 37359, 39060, 40362, 41510, 43245, 49812, 53370, 55149, 57660, 60543, 62265, 67270, 73532, 74718, 80724, 83020, 86490, 91915, 100905, 106740, 110298, 121086, 124530, 128681, 134540, 149436, 165447, 172980, 183830, 186795, 201810, 220596, 242172, 249060, 257362, 275745, 302715, 330894, 367660, 373590, 386043, 403620, 514724, 551490, 569873, 605430, 643405, 661788, 747180, 772086, 827235, 1102980, 1139746, 1158129, 1210860, 1286810, 1544172, 1654470, 1709619, 1930215, 2279492, 2316258, 2573620, 2849365, 3308940, 3419238, 3860430, 3989111, 4632516, 5128857, 5698730, 5790645, 6838476, 7720860, 7978222, 8548095, 10257714, 11397460, 11581290, 11967333, 15956444, 17096190, 19945555, 20515428, 23162580, 23934666, 25644285, 34192380, 35901999, 39891110, 47869332, 51288570, 59836665, 71803998, 79782220, 102577140, 119673330, 143607996, 179509995, 239346660, 359019990, 718039980]

約数ペア:

[(1, 718039980), (2, 359019990), (3, 239346660), (4, 179509995), (5, 143607996), (6, 119673330), (7, 102577140), (9, 79782220), (10, 71803998), (12, 59836665), (14, 51288570), (15, 47869332), (18, 39891110), (20, 35901999), (21, 34192380), (28, 25644285), (30, 23934666), (31, 23162580), (35, 20515428), (36, 19945555), (42, 17096190), (45, 15956444), (60, 11967333), (62, 11581290), (63, 11397460), (70, 10257714), (84, 8548095), (90, 7978222), (93, 7720860), (105, 6838476), (124, 5790645), (126, 5698730), (140, 5128857), (155, 4632516), (180, 3989111), (186, 3860430), (210, 3419238), (217, 3308940), (252, 2849365), (279, 2573620), (310, 2316258), (315, 2279492), (372, 1930215), (420, 1709619), (434, 1654470), (465, 1544172), (558, 1286810), (593, 1210860), (620, 1158129), (630, 1139746), (651, 1102980), (868, 827235), (930, 772086), (961, 747180), (1085, 661788), (1116, 643405), (1186, 605430), (1260, 569873), (1302, 551490), (1395, 514724), (1779, 403620), (1860, 386043), (1922, 373590), (1953, 367660), (2170, 330894), (2372, 302715), (2604, 275745), (2790, 257362), (2883, 249060), (2965, 242172), (3255, 220596), (3558, 201810), (3844, 186795), (3906, 183830), (4151, 172980), (4340, 165447), (4805, 149436), (5337, 134540), (5580, 128681), (5766, 124530), (5930, 121086), (6510, 110298), (6727, 106740), (7116, 100905), (7812, 91915), (8302, 86490), (8649, 83020), (8895, 80724), (9610, 74718), (9765, 73532), (10674, 67270), (11532, 62265), (11860, 60543), (12453, 57660), (13020, 55149), (13454, 53370), (14415, 49812), (16604, 43245), (17298, 41510), (17790, 40362), (18383, 39060), (19220, 37359), (19530, 36766), (20181, 35580), (20755, 34596), (21348, 33635), (24906, 28830), (26685, 26908)]