2161304856

素因数分解:

$2^3\times 3^4\times {\mathrm{443}}^1\times {\mathrm{7529}}^1$

素因数の和:7990

約数の個数: 80

約数和(自身を含む): 6068125800

約数和(自身を除く): 3906820944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 443, 648, 886, 1329, 1772, 2658, 3544, 3987, 5316, 7529, 7974, 10632, 11961, 15058, 15948, 22587, 23922, 30116, 31896, 35883, 45174, 47844, 60232, 67761, 71766, 90348, 95688, 135522, 143532, 180696, 203283, 271044, 287064, 406566, 542088, 609849, 813132, 1219698, 1626264, 2439396, 3335347, 4878792, 6670694, 10006041, 13341388, 20012082, 26682776, 30018123, 40024164, 60036246, 80048328, 90054369, 120072492, 180108738, 240144984, 270163107, 360217476, 540326214, 720434952, 1080652428, 2161304856]

約数ペア:

[(1, 2161304856), (2, 1080652428), (3, 720434952), (4, 540326214), (6, 360217476), (8, 270163107), (9, 240144984), (12, 180108738), (18, 120072492), (24, 90054369), (27, 80048328), (36, 60036246), (54, 40024164), (72, 30018123), (81, 26682776), (108, 20012082), (162, 13341388), (216, 10006041), (324, 6670694), (443, 4878792), (648, 3335347), (886, 2439396), (1329, 1626264), (1772, 1219698), (2658, 813132), (3544, 609849), (3987, 542088), (5316, 406566), (7529, 287064), (7974, 271044), (10632, 203283), (11961, 180696), (15058, 143532), (15948, 135522), (22587, 95688), (23922, 90348), (30116, 71766), (31896, 67761), (35883, 60232), (45174, 47844)]