171807120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:718

約数の個数: 180

約数和(自身を含む): 609872796

約数和(自身を除く): 438065676

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 361, 380, 456, 570, 661, 684, 720, 722, 760, 855, 912, 1083, 1140, 1322, 1368, 1444, 1520, 1710, 1805, 1983, 2166, 2280, 2644, 2736, 2888, 3249, 3305, 3420, 3610, 3966, 4332, 4560, 5288, 5415, 5776, 5949, 6498, 6610, 6840, 7220, 7932, 8664, 9915, 10576, 10830, 11898, 12559, 12996, 13220, 13680, 14440, 15864, 16245, 17328, 19830, 21660, 23796, 25118, 25992, 26440, 28880, 29745, 31728, 32490, 37677, 39660, 43320, 47592, 50236, 51984, 52880, 59490, 62795, 64980, 75354, 79320, 86640, 95184, 100472, 113031, 118980, 125590, 129960, 150708, 158640, 188385, 200944, 226062, 237960, 238621, 251180, 259920, 301416, 376770, 452124, 475920, 477242, 502360, 565155, 602832, 715863, 753540, 904248, 954484, 1004720, 1130310, 1193105, 1431726, 1507080, 1808496, 1908968, 2147589, 2260620, 2386210, 2863452, 3014160, 3579315, 3817936, 4295178, 4521240, 4772420, 5726904, 7158630, 8590356, 9042480, 9544840, 10737945, 11453808, 14317260, 17180712, 19089680, 21475890, 28634520, 34361424, 42951780, 57269040, 85903560, 171807120]

約数ペア:

[(1, 171807120), (2, 85903560), (3, 57269040), (4, 42951780), (5, 34361424), (6, 28634520), (8, 21475890), (9, 19089680), (10, 17180712), (12, 14317260), (15, 11453808), (16, 10737945), (18, 9544840), (19, 9042480), (20, 8590356), (24, 7158630), (30, 5726904), (36, 4772420), (38, 4521240), (40, 4295178), (45, 3817936), (48, 3579315), (57, 3014160), (60, 2863452), (72, 2386210), (76, 2260620), (80, 2147589), (90, 1908968), (95, 1808496), (114, 1507080), (120, 1431726), (144, 1193105), (152, 1130310), (171, 1004720), (180, 954484), (190, 904248), (228, 753540), (240, 715863), (285, 602832), (304, 565155), (342, 502360), (360, 477242), (361, 475920), (380, 452124), (456, 376770), (570, 301416), (661, 259920), (684, 251180), (720, 238621), (722, 237960), (760, 226062), (855, 200944), (912, 188385), (1083, 158640), (1140, 150708), (1322, 129960), (1368, 125590), (1444, 118980), (1520, 113031), (1710, 100472), (1805, 95184), (1983, 86640), (2166, 79320), (2280, 75354), (2644, 64980), (2736, 62795), (2888, 59490), (3249, 52880), (3305, 51984), (3420, 50236), (3610, 47592), (3966, 43320), (4332, 39660), (4560, 37677), (5288, 32490), (5415, 31728), (5776, 29745), (5949, 28880), (6498, 26440), (6610, 25992), (6840, 25118), (7220, 23796), (7932, 21660), (8664, 19830), (9915, 17328), (10576, 16245), (10830, 15864), (11898, 14440), (12559, 13680), (12996, 13220)]