90378540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{10247}}^1$

素因数の和:10276

約数の個数: 108

約数和(自身を含む): 318938256

約数和(自身を除く): 228559716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 10247, 20494, 30741, 40988, 51235, 61482, 71729, 92223, 102470, 122964, 143458, 153705, 184446, 204940, 215187, 286916, 307410, 358645, 368892, 430374, 461115, 502103, 614820, 645561, 717290, 860748, 922230, 1004206, 1075935, 1291122, 1434580, 1506309, 1844460, 2008412, 2151870, 2510515, 2582244, 3012618, 3227805, 4303740, 4518927, 5021030, 6025236, 6455610, 7531545, 9037854, 10042060, 12911220, 15063090, 18075708, 22594635, 30126180, 45189270, 90378540]

約数ペア:

[(1, 90378540), (2, 45189270), (3, 30126180), (4, 22594635), (5, 18075708), (6, 15063090), (7, 12911220), (9, 10042060), (10, 9037854), (12, 7531545), (14, 6455610), (15, 6025236), (18, 5021030), (20, 4518927), (21, 4303740), (28, 3227805), (30, 3012618), (35, 2582244), (36, 2510515), (42, 2151870), (45, 2008412), (49, 1844460), (60, 1506309), (63, 1434580), (70, 1291122), (84, 1075935), (90, 1004206), (98, 922230), (105, 860748), (126, 717290), (140, 645561), (147, 614820), (180, 502103), (196, 461115), (210, 430374), (245, 368892), (252, 358645), (294, 307410), (315, 286916), (420, 215187), (441, 204940), (490, 184446), (588, 153705), (630, 143458), (735, 122964), (882, 102470), (980, 92223), (1260, 71729), (1470, 61482), (1764, 51235), (2205, 40988), (2940, 30741), (4410, 20494), (8820, 10247)]