28610820

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{29}}^2$

素因数の和:89

約数の個数: 216

約数和(自身を含む): 106526784

約数和(自身を除く): 77915964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 81, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 162, 174, 180, 189, 203, 210, 243, 252, 261, 270, 290, 315, 324, 348, 378, 405, 406, 420, 435, 486, 522, 540, 567, 580, 609, 630, 756, 783, 810, 812, 841, 870, 945, 972, 1015, 1044, 1134, 1215, 1218, 1260, 1305, 1566, 1620, 1682, 1701, 1740, 1827, 1890, 2030, 2268, 2349, 2430, 2436, 2523, 2610, 2835, 3045, 3132, 3364, 3402, 3654, 3780, 3915, 4060, 4205, 4698, 4860, 5046, 5220, 5481, 5670, 5887, 6090, 6804, 7047, 7308, 7569, 7830, 8410, 8505, 9135, 9396, 10092, 10962, 11340, 11745, 11774, 12180, 12615, 14094, 15138, 15660, 16443, 16820, 17010, 17661, 18270, 21924, 22707, 23490, 23548, 25230, 27405, 28188, 29435, 30276, 32886, 34020, 35235, 35322, 36540, 37845, 45414, 46980, 49329, 50460, 52983, 54810, 58870, 65772, 68121, 70470, 70644, 75690, 82215, 88305, 90828, 98658, 105966, 109620, 113535, 117740, 136242, 140940, 151380, 158949, 164430, 176610, 197316, 204363, 211932, 227070, 246645, 264915, 272484, 317898, 328860, 340605, 353220, 408726, 454140, 476847, 493290, 529830, 635796, 681210, 794745, 817452, 953694, 986580, 1021815, 1059660, 1362420, 1430541, 1589490, 1907388, 2043630, 2384235, 2861082, 3178980, 4087260, 4768470, 5722164, 7152705, 9536940, 14305410, 28610820]

約数ペア:

[(1, 28610820), (2, 14305410), (3, 9536940), (4, 7152705), (5, 5722164), (6, 4768470), (7, 4087260), (9, 3178980), (10, 2861082), (12, 2384235), (14, 2043630), (15, 1907388), (18, 1589490), (20, 1430541), (21, 1362420), (27, 1059660), (28, 1021815), (29, 986580), (30, 953694), (35, 817452), (36, 794745), (42, 681210), (45, 635796), (54, 529830), (58, 493290), (60, 476847), (63, 454140), (70, 408726), (81, 353220), (84, 340605), (87, 328860), (90, 317898), (105, 272484), (108, 264915), (116, 246645), (126, 227070), (135, 211932), (140, 204363), (145, 197316), (162, 176610), (174, 164430), (180, 158949), (189, 151380), (203, 140940), (210, 136242), (243, 117740), (252, 113535), (261, 109620), (270, 105966), (290, 98658), (315, 90828), (324, 88305), (348, 82215), (378, 75690), (405, 70644), (406, 70470), (420, 68121), (435, 65772), (486, 58870), (522, 54810), (540, 52983), (567, 50460), (580, 49329), (609, 46980), (630, 45414), (756, 37845), (783, 36540), (810, 35322), (812, 35235), (841, 34020), (870, 32886), (945, 30276), (972, 29435), (1015, 28188), (1044, 27405), (1134, 25230), (1215, 23548), (1218, 23490), (1260, 22707), (1305, 21924), (1566, 18270), (1620, 17661), (1682, 17010), (1701, 16820), (1740, 16443), (1827, 15660), (1890, 15138), (2030, 14094), (2268, 12615), (2349, 12180), (2430, 11774), (2436, 11745), (2523, 11340), (2610, 10962), (2835, 10092), (3045, 9396), (3132, 9135), (3364, 8505), (3402, 8410), (3654, 7830), (3780, 7569), (3915, 7308), (4060, 7047), (4205, 6804), (4698, 6090), (4860, 5887), (5046, 5670), (5220, 5481)]