1020408

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 2812320

約数和(自身を除く): 1791912

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 61, 68, 82, 102, 122, 123, 136, 164, 183, 204, 244, 246, 328, 366, 408, 488, 492, 697, 732, 984, 1037, 1394, 1464, 2074, 2091, 2501, 2788, 3111, 4148, 4182, 5002, 5576, 6222, 7503, 8296, 8364, 10004, 12444, 15006, 16728, 20008, 24888, 30012, 42517, 60024, 85034, 127551, 170068, 255102, 340136, 510204, 1020408]

約数ペア:

[(1, 1020408), (2, 510204), (3, 340136), (4, 255102), (6, 170068), (8, 127551), (12, 85034), (17, 60024), (24, 42517), (34, 30012), (41, 24888), (51, 20008), (61, 16728), (68, 15006), (82, 12444), (102, 10004), (122, 8364), (123, 8296), (136, 7503), (164, 6222), (183, 5576), (204, 5002), (244, 4182), (246, 4148), (328, 3111), (366, 2788), (408, 2501), (488, 2091), (492, 2074), (697, 1464), (732, 1394), (984, 1037)]