28078584870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{4993}}^1$

素因数の和:5510

約数の個数: 128

約数和(自身を含む): 78472120320

約数和(自身を除く): 50393535450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 439, 610, 854, 878, 915, 1281, 1317, 1830, 2135, 2195, 2562, 2634, 3073, 4270, 4390, 4993, 6146, 6405, 6585, 9219, 9986, 12810, 13170, 14979, 15365, 18438, 24965, 26779, 29958, 30730, 34951, 46095, 49930, 53558, 69902, 74895, 80337, 92190, 104853, 133895, 149790, 160674, 174755, 187453, 209706, 267790, 304573, 349510, 374906, 401685, 524265, 562359, 609146, 803370, 913719, 937265, 1048530, 1124718, 1522865, 1827438, 1874530, 2132011, 2191927, 2811795, 3045730, 4264022, 4383854, 4568595, 5623590, 6396033, 6575781, 9137190, 10660055, 10959635, 12792066, 13151562, 15343489, 21320110, 21919270, 30686978, 31980165, 32878905, 46030467, 63960330, 65757810, 76717445, 92060934, 133707547, 153434890, 230152335, 267415094, 401122641, 460304670, 668537735, 802245282, 935952829, 1337075470, 1871905658, 2005613205, 2807858487, 4011226410, 4679764145, 5615716974, 9359528290, 14039292435, 28078584870]

約数ペア:

[(1, 28078584870), (2, 14039292435), (3, 9359528290), (5, 5615716974), (6, 4679764145), (7, 4011226410), (10, 2807858487), (14, 2005613205), (15, 1871905658), (21, 1337075470), (30, 935952829), (35, 802245282), (42, 668537735), (61, 460304670), (70, 401122641), (105, 267415094), (122, 230152335), (183, 153434890), (210, 133707547), (305, 92060934), (366, 76717445), (427, 65757810), (439, 63960330), (610, 46030467), (854, 32878905), (878, 31980165), (915, 30686978), (1281, 21919270), (1317, 21320110), (1830, 15343489), (2135, 13151562), (2195, 12792066), (2562, 10959635), (2634, 10660055), (3073, 9137190), (4270, 6575781), (4390, 6396033), (4993, 5623590), (6146, 4568595), (6405, 4383854), (6585, 4264022), (9219, 3045730), (9986, 2811795), (12810, 2191927), (13170, 2132011), (14979, 1874530), (15365, 1827438), (18438, 1522865), (24965, 1124718), (26779, 1048530), (29958, 937265), (30730, 913719), (34951, 803370), (46095, 609146), (49930, 562359), (53558, 524265), (69902, 401685), (74895, 374906), (80337, 349510), (92190, 304573), (104853, 267790), (133895, 209706), (149790, 187453), (160674, 174755)]