1618392720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 240

約数和(自身を含む): 5881444992

約数和(自身を除く): 4263052272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 521, 560, 602, 645, 688, 840, 860, 903, 1032, 1042, 1204, 1290, 1505, 1563, 1680, 1720, 1806, 1849, 2064, 2084, 2408, 2580, 2605, 3010, 3126, 3440, 3612, 3647, 3698, 4168, 4515, 4816, 5160, 5210, 5547, 6020, 6252, 7224, 7294, 7396, 7815, 8336, 9030, 9245, 10320, 10420, 10941, 11094, 12040, 12504, 12943, 14448, 14588, 14792, 15630, 18060, 18235, 18490, 20840, 21882, 22188, 22403, 24080, 25008, 25886, 27735, 29176, 29584, 31260, 36120, 36470, 36980, 38829, 41680, 43764, 44376, 44806, 51772, 54705, 55470, 58352, 62520, 64715, 67209, 72240, 72940, 73960, 77658, 87528, 88752, 89612, 103544, 109410, 110940, 112015, 125040, 129430, 134418, 145880, 147920, 155316, 156821, 175056, 179224, 194145, 207088, 218820, 221880, 224030, 258860, 268836, 291760, 310632, 313642, 336045, 358448, 388290, 437640, 443760, 448060, 470463, 517720, 537672, 621264, 627284, 672090, 776580, 784105, 875280, 896120, 940926, 963329, 1035440, 1075344, 1254568, 1344180, 1553160, 1568210, 1792240, 1881852, 1926658, 2352315, 2509136, 2688360, 2889987, 3106320, 3136420, 3763704, 3853316, 4704630, 4816645, 5376720, 5779974, 6272840, 6743303, 7527408, 7706632, 9409260, 9633290, 11559948, 12545680, 13486606, 14449935, 15413264, 18818520, 19266580, 20229909, 23119896, 26973212, 28899870, 33716515, 37637040, 38533160, 40459818, 46239792, 53946424, 57799740, 67433030, 77066320, 80919636, 101149545, 107892848, 115599480, 134866060, 161839272, 202299090, 231198960, 269732120, 323678544, 404598180, 539464240, 809196360, 1618392720]

約数ペア:

[(1, 1618392720), (2, 809196360), (3, 539464240), (4, 404598180), (5, 323678544), (6, 269732120), (7, 231198960), (8, 202299090), (10, 161839272), (12, 134866060), (14, 115599480), (15, 107892848), (16, 101149545), (20, 80919636), (21, 77066320), (24, 67433030), (28, 57799740), (30, 53946424), (35, 46239792), (40, 40459818), (42, 38533160), (43, 37637040), (48, 33716515), (56, 28899870), (60, 26973212), (70, 23119896), (80, 20229909), (84, 19266580), (86, 18818520), (105, 15413264), (112, 14449935), (120, 13486606), (129, 12545680), (140, 11559948), (168, 9633290), (172, 9409260), (210, 7706632), (215, 7527408), (240, 6743303), (258, 6272840), (280, 5779974), (301, 5376720), (336, 4816645), (344, 4704630), (420, 3853316), (430, 3763704), (516, 3136420), (521, 3106320), (560, 2889987), (602, 2688360), (645, 2509136), (688, 2352315), (840, 1926658), (860, 1881852), (903, 1792240), (1032, 1568210), (1042, 1553160), (1204, 1344180), (1290, 1254568), (1505, 1075344), (1563, 1035440), (1680, 963329), (1720, 940926), (1806, 896120), (1849, 875280), (2064, 784105), (2084, 776580), (2408, 672090), (2580, 627284), (2605, 621264), (3010, 537672), (3126, 517720), (3440, 470463), (3612, 448060), (3647, 443760), (3698, 437640), (4168, 388290), (4515, 358448), (4816, 336045), (5160, 313642), (5210, 310632), (5547, 291760), (6020, 268836), (6252, 258860), (7224, 224030), (7294, 221880), (7396, 218820), (7815, 207088), (8336, 194145), (9030, 179224), (9245, 175056), (10320, 156821), (10420, 155316), (10941, 147920), (11094, 145880), (12040, 134418), (12504, 129430), (12943, 125040), (14448, 112015), (14588, 110940), (14792, 109410), (15630, 103544), (18060, 89612), (18235, 88752), (18490, 87528), (20840, 77658), (21882, 73960), (22188, 72940), (22403, 72240), (24080, 67209), (25008, 64715), (25886, 62520), (27735, 58352), (29176, 55470), (29584, 54705), (31260, 51772), (36120, 44806), (36470, 44376), (36980, 43764), (38829, 41680)]