254455740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1669}}^1$

素因数の和:1713

約数の個数: 216

約数和(自身を含む): 970176480

約数和(自身を除く): 715720740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 363, 385, 396, 420, 462, 484, 495, 605, 630, 660, 693, 726, 770, 847, 924, 990, 1089, 1155, 1210, 1260, 1386, 1452, 1540, 1669, 1694, 1815, 1980, 2178, 2310, 2420, 2541, 2772, 3338, 3388, 3465, 3630, 4235, 4356, 4620, 5007, 5082, 5445, 6676, 6930, 7260, 7623, 8345, 8470, 10014, 10164, 10890, 11683, 12705, 13860, 15021, 15246, 16690, 16940, 18359, 20028, 21780, 23366, 25035, 25410, 30042, 30492, 33380, 35049, 36718, 38115, 46732, 50070, 50820, 55077, 58415, 60084, 70098, 73436, 75105, 76230, 91795, 100140, 105147, 110154, 116830, 128513, 140196, 150210, 152460, 165231, 175245, 183590, 201949, 210294, 220308, 233660, 257026, 275385, 300420, 330462, 350490, 367180, 385539, 403898, 420588, 514052, 525735, 550770, 605847, 642565, 660924, 700980, 771078, 807796, 826155, 1009745, 1051470, 1101540, 1156617, 1211694, 1285130, 1413643, 1542156, 1652310, 1817541, 1927695, 2019490, 2102940, 2313234, 2423388, 2570260, 2827286, 3029235, 3304620, 3635082, 3855390, 4038980, 4240929, 4626468, 5654572, 5783085, 6058470, 7068215, 7270164, 7710780, 8481858, 9087705, 11566170, 12116940, 12722787, 14136430, 16963716, 18175410, 21204645, 23132340, 25445574, 28272860, 36350820, 42409290, 50891148, 63613935, 84818580, 127227870, 254455740]

約数ペア:

[(1, 254455740), (2, 127227870), (3, 84818580), (4, 63613935), (5, 50891148), (6, 42409290), (7, 36350820), (9, 28272860), (10, 25445574), (11, 23132340), (12, 21204645), (14, 18175410), (15, 16963716), (18, 14136430), (20, 12722787), (21, 12116940), (22, 11566170), (28, 9087705), (30, 8481858), (33, 7710780), (35, 7270164), (36, 7068215), (42, 6058470), (44, 5783085), (45, 5654572), (55, 4626468), (60, 4240929), (63, 4038980), (66, 3855390), (70, 3635082), (77, 3304620), (84, 3029235), (90, 2827286), (99, 2570260), (105, 2423388), (110, 2313234), (121, 2102940), (126, 2019490), (132, 1927695), (140, 1817541), (154, 1652310), (165, 1542156), (180, 1413643), (198, 1285130), (210, 1211694), (220, 1156617), (231, 1101540), (242, 1051470), (252, 1009745), (308, 826155), (315, 807796), (330, 771078), (363, 700980), (385, 660924), (396, 642565), (420, 605847), (462, 550770), (484, 525735), (495, 514052), (605, 420588), (630, 403898), (660, 385539), (693, 367180), (726, 350490), (770, 330462), (847, 300420), (924, 275385), (990, 257026), (1089, 233660), (1155, 220308), (1210, 210294), (1260, 201949), (1386, 183590), (1452, 175245), (1540, 165231), (1669, 152460), (1694, 150210), (1815, 140196), (1980, 128513), (2178, 116830), (2310, 110154), (2420, 105147), (2541, 100140), (2772, 91795), (3338, 76230), (3388, 75105), (3465, 73436), (3630, 70098), (4235, 60084), (4356, 58415), (4620, 55077), (5007, 50820), (5082, 50070), (5445, 46732), (6676, 38115), (6930, 36718), (7260, 35049), (7623, 33380), (8345, 30492), (8470, 30042), (10014, 25410), (10164, 25035), (10890, 23366), (11683, 21780), (12705, 20028), (13860, 18359), (15021, 16940), (15246, 16690)]