218736540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^4\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 180

約数和(自身を含む): 738639720

約数和(自身を除く): 519903180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 83, 90, 99, 110, 121, 132, 165, 166, 180, 198, 220, 242, 249, 330, 332, 363, 396, 415, 484, 495, 498, 605, 660, 726, 747, 830, 913, 990, 996, 1089, 1210, 1245, 1331, 1452, 1494, 1660, 1815, 1826, 1980, 2178, 2420, 2490, 2662, 2739, 2988, 3630, 3652, 3735, 3993, 4356, 4565, 4980, 5324, 5445, 5478, 6655, 7260, 7470, 7986, 8217, 9130, 10043, 10890, 10956, 11979, 13310, 13695, 14641, 14940, 15972, 16434, 18260, 19965, 20086, 21780, 23958, 26620, 27390, 29282, 30129, 32868, 39930, 40172, 41085, 43923, 47916, 50215, 54780, 58564, 59895, 60258, 73205, 79860, 82170, 87846, 90387, 100430, 110473, 119790, 120516, 131769, 146410, 150645, 164340, 175692, 180774, 200860, 219615, 220946, 239580, 263538, 292820, 301290, 331419, 361548, 439230, 441892, 451935, 527076, 552365, 602580, 658845, 662838, 878460, 903870, 994257, 1104730, 1215203, 1317690, 1325676, 1657095, 1807740, 1988514, 2209460, 2430406, 2635380, 3314190, 3645609, 3977028, 4860812, 4971285, 6076015, 6628380, 7291218, 9942570, 10936827, 12152030, 14582436, 18228045, 19885140, 21873654, 24304060, 36456090, 43747308, 54684135, 72912180, 109368270, 218736540]

約数ペア:

[(1, 218736540), (2, 109368270), (3, 72912180), (4, 54684135), (5, 43747308), (6, 36456090), (9, 24304060), (10, 21873654), (11, 19885140), (12, 18228045), (15, 14582436), (18, 12152030), (20, 10936827), (22, 9942570), (30, 7291218), (33, 6628380), (36, 6076015), (44, 4971285), (45, 4860812), (55, 3977028), (60, 3645609), (66, 3314190), (83, 2635380), (90, 2430406), (99, 2209460), (110, 1988514), (121, 1807740), (132, 1657095), (165, 1325676), (166, 1317690), (180, 1215203), (198, 1104730), (220, 994257), (242, 903870), (249, 878460), (330, 662838), (332, 658845), (363, 602580), (396, 552365), (415, 527076), (484, 451935), (495, 441892), (498, 439230), (605, 361548), (660, 331419), (726, 301290), (747, 292820), (830, 263538), (913, 239580), (990, 220946), (996, 219615), (1089, 200860), (1210, 180774), (1245, 175692), (1331, 164340), (1452, 150645), (1494, 146410), (1660, 131769), (1815, 120516), (1826, 119790), (1980, 110473), (2178, 100430), (2420, 90387), (2490, 87846), (2662, 82170), (2739, 79860), (2988, 73205), (3630, 60258), (3652, 59895), (3735, 58564), (3993, 54780), (4356, 50215), (4565, 47916), (4980, 43923), (5324, 41085), (5445, 40172), (5478, 39930), (6655, 32868), (7260, 30129), (7470, 29282), (7986, 27390), (8217, 26620), (9130, 23958), (10043, 21780), (10890, 20086), (10956, 19965), (11979, 18260), (13310, 16434), (13695, 15972), (14641, 14940)]