221421960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 192

約数和(自身を含む): 754790400

約数和(自身を除く): 533368440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 127, 145, 167, 174, 180, 232, 254, 261, 290, 334, 348, 360, 381, 435, 501, 508, 522, 580, 635, 668, 696, 762, 835, 870, 1002, 1016, 1044, 1143, 1160, 1270, 1305, 1336, 1503, 1524, 1670, 1740, 1905, 2004, 2088, 2286, 2505, 2540, 2610, 3006, 3048, 3340, 3480, 3683, 3810, 4008, 4572, 4843, 5010, 5080, 5220, 5715, 6012, 6680, 7366, 7515, 7620, 9144, 9686, 10020, 10440, 11049, 11430, 12024, 14529, 14732, 15030, 15240, 18415, 19372, 20040, 21209, 22098, 22860, 24215, 29058, 29464, 30060, 33147, 36830, 38744, 42418, 43587, 44196, 45720, 48430, 55245, 58116, 60120, 63627, 66294, 72645, 73660, 84836, 87174, 88392, 96860, 106045, 110490, 116232, 127254, 132588, 145290, 147320, 165735, 169672, 174348, 190881, 193720, 212090, 217935, 220980, 254508, 265176, 290580, 318135, 331470, 348696, 381762, 424180, 435870, 441960, 509016, 581160, 615061, 636270, 662940, 763524, 848360, 871740, 954405, 1230122, 1272540, 1325880, 1527048, 1743480, 1845183, 1908810, 2460244, 2545080, 3075305, 3690366, 3817620, 4920488, 5535549, 6150610, 7380732, 7635240, 9225915, 11071098, 12301220, 14761464, 18451830, 22142196, 24602440, 27677745, 36903660, 44284392, 55355490, 73807320, 110710980, 221421960]

約数ペア:

[(1, 221421960), (2, 110710980), (3, 73807320), (4, 55355490), (5, 44284392), (6, 36903660), (8, 27677745), (9, 24602440), (10, 22142196), (12, 18451830), (15, 14761464), (18, 12301220), (20, 11071098), (24, 9225915), (29, 7635240), (30, 7380732), (36, 6150610), (40, 5535549), (45, 4920488), (58, 3817620), (60, 3690366), (72, 3075305), (87, 2545080), (90, 2460244), (116, 1908810), (120, 1845183), (127, 1743480), (145, 1527048), (167, 1325880), (174, 1272540), (180, 1230122), (232, 954405), (254, 871740), (261, 848360), (290, 763524), (334, 662940), (348, 636270), (360, 615061), (381, 581160), (435, 509016), (501, 441960), (508, 435870), (522, 424180), (580, 381762), (635, 348696), (668, 331470), (696, 318135), (762, 290580), (835, 265176), (870, 254508), (1002, 220980), (1016, 217935), (1044, 212090), (1143, 193720), (1160, 190881), (1270, 174348), (1305, 169672), (1336, 165735), (1503, 147320), (1524, 145290), (1670, 132588), (1740, 127254), (1905, 116232), (2004, 110490), (2088, 106045), (2286, 96860), (2505, 88392), (2540, 87174), (2610, 84836), (3006, 73660), (3048, 72645), (3340, 66294), (3480, 63627), (3683, 60120), (3810, 58116), (4008, 55245), (4572, 48430), (4843, 45720), (5010, 44196), (5080, 43587), (5220, 42418), (5715, 38744), (6012, 36830), (6680, 33147), (7366, 30060), (7515, 29464), (7620, 29058), (9144, 24215), (9686, 22860), (10020, 22098), (10440, 21209), (11049, 20040), (11430, 19372), (12024, 18415), (14529, 15240), (14732, 15030)]