8387820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{317}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 30451680

約数和(自身を除く): 22063860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 317, 378, 420, 441, 490, 540, 588, 630, 634, 735, 756, 882, 945, 951, 980, 1260, 1268, 1323, 1470, 1585, 1764, 1890, 1902, 2205, 2219, 2646, 2853, 2940, 3170, 3780, 3804, 4410, 4438, 4755, 5292, 5706, 6340, 6615, 6657, 8559, 8820, 8876, 9510, 11095, 11412, 13230, 13314, 14265, 15533, 17118, 19020, 19971, 22190, 26460, 26628, 28530, 31066, 33285, 34236, 39942, 42795, 44380, 46599, 57060, 59913, 62132, 66570, 77665, 79884, 85590, 93198, 99855, 119826, 133140, 139797, 155330, 171180, 186396, 199710, 232995, 239652, 279594, 299565, 310660, 399420, 419391, 465990, 559188, 599130, 698985, 838782, 931980, 1198260, 1397970, 1677564, 2096955, 2795940, 4193910, 8387820]

約数ペア:

[(1, 8387820), (2, 4193910), (3, 2795940), (4, 2096955), (5, 1677564), (6, 1397970), (7, 1198260), (9, 931980), (10, 838782), (12, 698985), (14, 599130), (15, 559188), (18, 465990), (20, 419391), (21, 399420), (27, 310660), (28, 299565), (30, 279594), (35, 239652), (36, 232995), (42, 199710), (45, 186396), (49, 171180), (54, 155330), (60, 139797), (63, 133140), (70, 119826), (84, 99855), (90, 93198), (98, 85590), (105, 79884), (108, 77665), (126, 66570), (135, 62132), (140, 59913), (147, 57060), (180, 46599), (189, 44380), (196, 42795), (210, 39942), (245, 34236), (252, 33285), (270, 31066), (294, 28530), (315, 26628), (317, 26460), (378, 22190), (420, 19971), (441, 19020), (490, 17118), (540, 15533), (588, 14265), (630, 13314), (634, 13230), (735, 11412), (756, 11095), (882, 9510), (945, 8876), (951, 8820), (980, 8559), (1260, 6657), (1268, 6615), (1323, 6340), (1470, 5706), (1585, 5292), (1764, 4755), (1890, 4438), (1902, 4410), (2205, 3804), (2219, 3780), (2646, 3170), (2853, 2940)]