2018141080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{3709}}^1$

素因数の和:4004

約数の個数: 64

約数和(自身を含む): 4637203200

約数和(自身を除く): 2619062120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 223, 244, 305, 446, 488, 610, 892, 1115, 1220, 1784, 2230, 2440, 3709, 4460, 7418, 8920, 13603, 14836, 18545, 27206, 29672, 37090, 54412, 68015, 74180, 108824, 136030, 148360, 226249, 272060, 452498, 544120, 827107, 904996, 1131245, 1654214, 1809992, 2262490, 3308428, 4135535, 4524980, 6616856, 8271070, 9049960, 16542140, 33084280, 50453527, 100907054, 201814108, 252267635, 403628216, 504535270, 1009070540, 2018141080]

約数ペア:

[(1, 2018141080), (2, 1009070540), (4, 504535270), (5, 403628216), (8, 252267635), (10, 201814108), (20, 100907054), (40, 50453527), (61, 33084280), (122, 16542140), (223, 9049960), (244, 8271070), (305, 6616856), (446, 4524980), (488, 4135535), (610, 3308428), (892, 2262490), (1115, 1809992), (1220, 1654214), (1784, 1131245), (2230, 904996), (2440, 827107), (3709, 544120), (4460, 452498), (7418, 272060), (8920, 226249), (13603, 148360), (14836, 136030), (18545, 108824), (27206, 74180), (29672, 68015), (37090, 54412)]