85438920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2749}}^1$

素因数の和:2807

約数の個数: 128

約数和(自身を含む): 300960000

約数和(自身を除く): 215521080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 2749, 3108, 3885, 4440, 5180, 5498, 6216, 7770, 8247, 10360, 10996, 13745, 15540, 16494, 19243, 21992, 27490, 31080, 32988, 38486, 41235, 54980, 57729, 65976, 76972, 82470, 96215, 101713, 109960, 115458, 153944, 164940, 192430, 203426, 230916, 288645, 305139, 329880, 384860, 406852, 461832, 508565, 577290, 610278, 711991, 769720, 813704, 1017130, 1154580, 1220556, 1423982, 1525695, 2034260, 2135973, 2309160, 2441112, 2847964, 3051390, 3559955, 4068520, 4271946, 5695928, 6102780, 7119910, 8543892, 10679865, 12205560, 14239820, 17087784, 21359730, 28479640, 42719460, 85438920]

約数ペア:

[(1, 85438920), (2, 42719460), (3, 28479640), (4, 21359730), (5, 17087784), (6, 14239820), (7, 12205560), (8, 10679865), (10, 8543892), (12, 7119910), (14, 6102780), (15, 5695928), (20, 4271946), (21, 4068520), (24, 3559955), (28, 3051390), (30, 2847964), (35, 2441112), (37, 2309160), (40, 2135973), (42, 2034260), (56, 1525695), (60, 1423982), (70, 1220556), (74, 1154580), (84, 1017130), (105, 813704), (111, 769720), (120, 711991), (140, 610278), (148, 577290), (168, 508565), (185, 461832), (210, 406852), (222, 384860), (259, 329880), (280, 305139), (296, 288645), (370, 230916), (420, 203426), (444, 192430), (518, 164940), (555, 153944), (740, 115458), (777, 109960), (840, 101713), (888, 96215), (1036, 82470), (1110, 76972), (1295, 65976), (1480, 57729), (1554, 54980), (2072, 41235), (2220, 38486), (2590, 32988), (2749, 31080), (3108, 27490), (3885, 21992), (4440, 19243), (5180, 16494), (5498, 15540), (6216, 13745), (7770, 10996), (8247, 10360)]