221418120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:836

約数の個数: 256

約数和(自身を含む): 855982080

約数和(自身を除く): 634563960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 186, 210, 217, 220, 231, 248, 264, 280, 308, 310, 330, 341, 372, 385, 420, 434, 440, 462, 465, 616, 620, 651, 660, 682, 744, 770, 773, 840, 868, 924, 930, 1023, 1085, 1155, 1240, 1302, 1320, 1364, 1540, 1546, 1705, 1736, 1848, 1860, 2046, 2170, 2310, 2319, 2387, 2604, 2728, 3080, 3092, 3255, 3410, 3720, 3865, 4092, 4340, 4620, 4638, 4774, 5115, 5208, 5411, 6184, 6510, 6820, 7161, 7730, 8184, 8503, 8680, 9240, 9276, 9548, 10230, 10822, 11595, 11935, 13020, 13640, 14322, 15460, 16233, 17006, 18552, 19096, 20460, 21644, 23190, 23870, 23963, 25509, 26040, 27055, 28644, 30920, 32466, 34012, 35805, 40920, 42515, 43288, 46380, 47740, 47926, 51018, 54110, 57288, 59521, 64932, 68024, 71610, 71889, 81165, 85030, 92760, 95480, 95852, 102036, 108220, 119042, 119815, 127545, 129864, 143220, 143778, 162330, 167741, 170060, 178563, 191704, 204072, 216440, 238084, 239630, 255090, 263593, 286440, 287556, 297605, 324660, 335482, 340120, 357126, 359445, 476168, 479260, 503223, 510180, 527186, 575112, 595210, 649320, 670964, 714252, 718890, 790779, 838705, 892815, 958520, 1006446, 1020360, 1054372, 1190420, 1317965, 1341928, 1428504, 1437780, 1581558, 1677410, 1785630, 1845151, 2012892, 2108744, 2380840, 2516115, 2635930, 2875560, 3163116, 3354820, 3571260, 3690302, 3953895, 4025784, 5032230, 5271860, 5535453, 6326232, 6709640, 7142520, 7380604, 7907790, 9225755, 10064460, 10543720, 11070906, 14761208, 15815580, 18451510, 20128920, 22141812, 27677265, 31631160, 36903020, 44283624, 55354530, 73806040, 110709060, 221418120]

約数ペア:

[(1, 221418120), (2, 110709060), (3, 73806040), (4, 55354530), (5, 44283624), (6, 36903020), (7, 31631160), (8, 27677265), (10, 22141812), (11, 20128920), (12, 18451510), (14, 15815580), (15, 14761208), (20, 11070906), (21, 10543720), (22, 10064460), (24, 9225755), (28, 7907790), (30, 7380604), (31, 7142520), (33, 6709640), (35, 6326232), (40, 5535453), (42, 5271860), (44, 5032230), (55, 4025784), (56, 3953895), (60, 3690302), (62, 3571260), (66, 3354820), (70, 3163116), (77, 2875560), (84, 2635930), (88, 2516115), (93, 2380840), (105, 2108744), (110, 2012892), (120, 1845151), (124, 1785630), (132, 1677410), (140, 1581558), (154, 1437780), (155, 1428504), (165, 1341928), (168, 1317965), (186, 1190420), (210, 1054372), (217, 1020360), (220, 1006446), (231, 958520), (248, 892815), (264, 838705), (280, 790779), (308, 718890), (310, 714252), (330, 670964), (341, 649320), (372, 595210), (385, 575112), (420, 527186), (434, 510180), (440, 503223), (462, 479260), (465, 476168), (616, 359445), (620, 357126), (651, 340120), (660, 335482), (682, 324660), (744, 297605), (770, 287556), (773, 286440), (840, 263593), (868, 255090), (924, 239630), (930, 238084), (1023, 216440), (1085, 204072), (1155, 191704), (1240, 178563), (1302, 170060), (1320, 167741), (1364, 162330), (1540, 143778), (1546, 143220), (1705, 129864), (1736, 127545), (1848, 119815), (1860, 119042), (2046, 108220), (2170, 102036), (2310, 95852), (2319, 95480), (2387, 92760), (2604, 85030), (2728, 81165), (3080, 71889), (3092, 71610), (3255, 68024), (3410, 64932), (3720, 59521), (3865, 57288), (4092, 54110), (4340, 51018), (4620, 47926), (4638, 47740), (4774, 46380), (5115, 43288), (5208, 42515), (5411, 40920), (6184, 35805), (6510, 34012), (6820, 32466), (7161, 30920), (7730, 28644), (8184, 27055), (8503, 26040), (8680, 25509), (9240, 23963), (9276, 23870), (9548, 23190), (10230, 21644), (10822, 20460), (11595, 19096), (11935, 18552), (13020, 17006), (13640, 16233), (14322, 15460)]