217448880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2715

約数の個数: 160

約数和(自身を含む): 759379968

約数和(自身を除く): 541931088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 528, 620, 660, 682, 744, 880, 930, 1023, 1240, 1320, 1364, 1488, 1705, 1860, 2046, 2480, 2640, 2657, 2728, 3410, 3720, 4092, 5115, 5314, 5456, 6820, 7440, 7971, 8184, 10230, 10628, 13285, 13640, 15942, 16368, 20460, 21256, 26570, 27280, 29227, 31884, 39855, 40920, 42512, 53140, 58454, 63768, 79710, 81840, 82367, 87681, 106280, 116908, 127536, 146135, 159420, 164734, 175362, 212560, 233816, 247101, 292270, 318840, 329468, 350724, 411835, 438405, 467632, 494202, 584540, 637680, 658936, 701448, 823670, 876810, 906037, 988404, 1169080, 1235505, 1317872, 1402896, 1647340, 1753620, 1812074, 1976808, 2338160, 2471010, 2718111, 3294680, 3507240, 3624148, 3953616, 4530185, 4942020, 5436222, 6589360, 7014480, 7248296, 9060370, 9884040, 10872444, 13590555, 14496592, 18120740, 19768080, 21744888, 27181110, 36241480, 43489776, 54362220, 72482960, 108724440, 217448880]

約数ペア:

[(1, 217448880), (2, 108724440), (3, 72482960), (4, 54362220), (5, 43489776), (6, 36241480), (8, 27181110), (10, 21744888), (11, 19768080), (12, 18120740), (15, 14496592), (16, 13590555), (20, 10872444), (22, 9884040), (24, 9060370), (30, 7248296), (31, 7014480), (33, 6589360), (40, 5436222), (44, 4942020), (48, 4530185), (55, 3953616), (60, 3624148), (62, 3507240), (66, 3294680), (80, 2718111), (88, 2471010), (93, 2338160), (110, 1976808), (120, 1812074), (124, 1753620), (132, 1647340), (155, 1402896), (165, 1317872), (176, 1235505), (186, 1169080), (220, 988404), (240, 906037), (248, 876810), (264, 823670), (310, 701448), (330, 658936), (341, 637680), (372, 584540), (440, 494202), (465, 467632), (496, 438405), (528, 411835), (620, 350724), (660, 329468), (682, 318840), (744, 292270), (880, 247101), (930, 233816), (1023, 212560), (1240, 175362), (1320, 164734), (1364, 159420), (1488, 146135), (1705, 127536), (1860, 116908), (2046, 106280), (2480, 87681), (2640, 82367), (2657, 81840), (2728, 79710), (3410, 63768), (3720, 58454), (4092, 53140), (5115, 42512), (5314, 40920), (5456, 39855), (6820, 31884), (7440, 29227), (7971, 27280), (8184, 26570), (10230, 21256), (10628, 20460), (13285, 16368), (13640, 15942)]