1520222220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:573

約数の個数: 216

約数和(自身を含む): 5107659648

約数和(自身を除く): 3587437428

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, 90, 99, 110, 121, 132, 165, 180, 198, 220, 223, 242, 313, 330, 363, 396, 446, 484, 495, 605, 626, 660, 669, 726, 892, 939, 990, 1089, 1115, 1210, 1252, 1338, 1452, 1565, 1815, 1878, 1980, 2007, 2178, 2230, 2420, 2453, 2676, 2817, 3130, 3345, 3443, 3630, 3756, 4014, 4356, 4460, 4695, 4906, 5445, 5634, 6260, 6690, 6886, 7260, 7359, 8028, 9390, 9812, 10035, 10329, 10890, 11268, 12265, 13380, 13772, 14085, 14718, 17215, 18780, 20070, 20658, 21780, 22077, 24530, 26983, 28170, 29436, 30987, 34430, 36795, 37873, 40140, 41316, 44154, 49060, 51645, 53966, 56340, 61974, 68860, 69799, 73590, 75746, 80949, 88308, 103290, 107932, 110385, 113619, 123948, 134915, 139598, 147180, 151492, 154935, 161898, 189365, 206580, 209397, 220770, 227238, 242847, 269830, 279196, 309870, 323796, 340857, 348995, 378730, 404745, 418794, 441540, 454476, 485694, 539660, 568095, 619740, 628191, 681714, 697990, 757460, 767789, 809490, 837588, 971388, 1046985, 1136190, 1214235, 1256382, 1363428, 1395980, 1535578, 1618980, 1704285, 2093970, 2272380, 2303367, 2428470, 2512764, 3071156, 3140955, 3408570, 3838945, 4187940, 4606734, 4856940, 6281910, 6817140, 6910101, 7677890, 8445679, 9213468, 11516835, 12563820, 13820202, 15355780, 16891358, 23033670, 25337037, 27640404, 33782716, 34550505, 42228395, 46067340, 50674074, 69101010, 76011111, 84456790, 101348148, 126685185, 138202020, 152022222, 168913580, 253370370, 304044444, 380055555, 506740740, 760111110, 1520222220]

約数ペア:

[(1, 1520222220), (2, 760111110), (3, 506740740), (4, 380055555), (5, 304044444), (6, 253370370), (9, 168913580), (10, 152022222), (11, 138202020), (12, 126685185), (15, 101348148), (18, 84456790), (20, 76011111), (22, 69101010), (30, 50674074), (33, 46067340), (36, 42228395), (44, 34550505), (45, 33782716), (55, 27640404), (60, 25337037), (66, 23033670), (90, 16891358), (99, 15355780), (110, 13820202), (121, 12563820), (132, 11516835), (165, 9213468), (180, 8445679), (198, 7677890), (220, 6910101), (223, 6817140), (242, 6281910), (313, 4856940), (330, 4606734), (363, 4187940), (396, 3838945), (446, 3408570), (484, 3140955), (495, 3071156), (605, 2512764), (626, 2428470), (660, 2303367), (669, 2272380), (726, 2093970), (892, 1704285), (939, 1618980), (990, 1535578), (1089, 1395980), (1115, 1363428), (1210, 1256382), (1252, 1214235), (1338, 1136190), (1452, 1046985), (1565, 971388), (1815, 837588), (1878, 809490), (1980, 767789), (2007, 757460), (2178, 697990), (2230, 681714), (2420, 628191), (2453, 619740), (2676, 568095), (2817, 539660), (3130, 485694), (3345, 454476), (3443, 441540), (3630, 418794), (3756, 404745), (4014, 378730), (4356, 348995), (4460, 340857), (4695, 323796), (4906, 309870), (5445, 279196), (5634, 269830), (6260, 242847), (6690, 227238), (6886, 220770), (7260, 209397), (7359, 206580), (8028, 189365), (9390, 161898), (9812, 154935), (10035, 151492), (10329, 147180), (10890, 139598), (11268, 134915), (12265, 123948), (13380, 113619), (13772, 110385), (14085, 107932), (14718, 103290), (17215, 88308), (18780, 80949), (20070, 75746), (20658, 73590), (21780, 69799), (22077, 68860), (24530, 61974), (26983, 56340), (28170, 53966), (29436, 51645), (30987, 49060), (34430, 44154), (36795, 41316), (37873, 40140)]