1954783120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{3067}}^1$

素因数の和:3368

約数の個数: 80

約数和(自身を含む): 4711269888

約数和(自身を除く): 2756486768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 257, 310, 496, 514, 620, 1028, 1240, 1285, 2056, 2480, 2570, 3067, 4112, 5140, 6134, 7967, 10280, 12268, 15335, 15934, 20560, 24536, 30670, 31868, 39835, 49072, 61340, 63736, 79670, 95077, 122680, 127472, 159340, 190154, 245360, 318680, 380308, 475385, 637360, 760616, 788219, 950770, 1521232, 1576438, 1901540, 3152876, 3803080, 3941095, 6305752, 7606160, 7882190, 12611504, 15764380, 24434789, 31528760, 48869578, 63057520, 97739156, 122173945, 195478312, 244347890, 390956624, 488695780, 977391560, 1954783120]

約数ペア:

[(1, 1954783120), (2, 977391560), (4, 488695780), (5, 390956624), (8, 244347890), (10, 195478312), (16, 122173945), (20, 97739156), (31, 63057520), (40, 48869578), (62, 31528760), (80, 24434789), (124, 15764380), (155, 12611504), (248, 7882190), (257, 7606160), (310, 6305752), (496, 3941095), (514, 3803080), (620, 3152876), (1028, 1901540), (1240, 1576438), (1285, 1521232), (2056, 950770), (2480, 788219), (2570, 760616), (3067, 637360), (4112, 475385), (5140, 380308), (6134, 318680), (7967, 245360), (10280, 190154), (12268, 159340), (15335, 127472), (15934, 122680), (20560, 95077), (24536, 79670), (30670, 63736), (31868, 61340), (39835, 49072)]