61521720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 201096000

約数和(自身を除く): 139574280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 113, 120, 130, 156, 195, 226, 260, 312, 339, 349, 390, 452, 520, 565, 678, 698, 780, 904, 1047, 1130, 1356, 1396, 1469, 1560, 1695, 1745, 2094, 2260, 2712, 2792, 2938, 3390, 3490, 4188, 4407, 4520, 4537, 5235, 5876, 6780, 6980, 7345, 8376, 8814, 9074, 10470, 11752, 13560, 13611, 13960, 14690, 17628, 18148, 20940, 22035, 22685, 27222, 29380, 35256, 36296, 39437, 41880, 44070, 45370, 54444, 58760, 68055, 78874, 88140, 90740, 108888, 118311, 136110, 157748, 176280, 181480, 197185, 236622, 272220, 315496, 394370, 473244, 512681, 544440, 591555, 788740, 946488, 1025362, 1183110, 1538043, 1577480, 2050724, 2366220, 2563405, 3076086, 4101448, 4732440, 5126810, 6152172, 7690215, 10253620, 12304344, 15380430, 20507240, 30760860, 61521720]

約数ペア:

[(1, 61521720), (2, 30760860), (3, 20507240), (4, 15380430), (5, 12304344), (6, 10253620), (8, 7690215), (10, 6152172), (12, 5126810), (13, 4732440), (15, 4101448), (20, 3076086), (24, 2563405), (26, 2366220), (30, 2050724), (39, 1577480), (40, 1538043), (52, 1183110), (60, 1025362), (65, 946488), (78, 788740), (104, 591555), (113, 544440), (120, 512681), (130, 473244), (156, 394370), (195, 315496), (226, 272220), (260, 236622), (312, 197185), (339, 181480), (349, 176280), (390, 157748), (452, 136110), (520, 118311), (565, 108888), (678, 90740), (698, 88140), (780, 78874), (904, 68055), (1047, 58760), (1130, 54444), (1356, 45370), (1396, 44070), (1469, 41880), (1560, 39437), (1695, 36296), (1745, 35256), (2094, 29380), (2260, 27222), (2712, 22685), (2792, 22035), (2938, 20940), (3390, 18148), (3490, 17628), (4188, 14690), (4407, 13960), (4520, 13611), (4537, 13560), (5235, 11752), (5876, 10470), (6780, 9074), (6980, 8814), (7345, 8376)]