280512240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:579

約数の個数: 160

約数和(自身を含む): 928065600

約数和(自身を除く): 647553360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 197, 204, 240, 255, 272, 340, 349, 394, 408, 510, 591, 680, 698, 788, 816, 985, 1020, 1047, 1182, 1360, 1396, 1576, 1745, 1970, 2040, 2094, 2364, 2792, 2955, 3152, 3349, 3490, 3940, 4080, 4188, 4728, 5235, 5584, 5910, 5933, 6698, 6980, 7880, 8376, 9456, 10047, 10470, 11820, 11866, 13396, 13960, 15760, 16745, 16752, 17799, 20094, 20940, 23640, 23732, 26792, 27920, 29665, 33490, 35598, 40188, 41880, 47280, 47464, 50235, 53584, 59330, 66980, 68753, 71196, 80376, 83760, 88995, 94928, 100470, 118660, 133960, 137506, 142392, 160752, 177990, 200940, 206259, 237320, 267920, 275012, 284784, 343765, 355980, 401880, 412518, 474640, 550024, 687530, 711960, 803760, 825036, 1031295, 1100048, 1168801, 1375060, 1423920, 1650072, 2062590, 2337602, 2750120, 3300144, 3506403, 4125180, 4675204, 5500240, 5844005, 7012806, 8250360, 9350408, 11688010, 14025612, 16500720, 17532015, 18700816, 23376020, 28051224, 35064030, 46752040, 56102448, 70128060, 93504080, 140256120, 280512240]

約数ペア:

[(1, 280512240), (2, 140256120), (3, 93504080), (4, 70128060), (5, 56102448), (6, 46752040), (8, 35064030), (10, 28051224), (12, 23376020), (15, 18700816), (16, 17532015), (17, 16500720), (20, 14025612), (24, 11688010), (30, 9350408), (34, 8250360), (40, 7012806), (48, 5844005), (51, 5500240), (60, 4675204), (68, 4125180), (80, 3506403), (85, 3300144), (102, 2750120), (120, 2337602), (136, 2062590), (170, 1650072), (197, 1423920), (204, 1375060), (240, 1168801), (255, 1100048), (272, 1031295), (340, 825036), (349, 803760), (394, 711960), (408, 687530), (510, 550024), (591, 474640), (680, 412518), (698, 401880), (788, 355980), (816, 343765), (985, 284784), (1020, 275012), (1047, 267920), (1182, 237320), (1360, 206259), (1396, 200940), (1576, 177990), (1745, 160752), (1970, 142392), (2040, 137506), (2094, 133960), (2364, 118660), (2792, 100470), (2955, 94928), (3152, 88995), (3349, 83760), (3490, 80376), (3940, 71196), (4080, 68753), (4188, 66980), (4728, 59330), (5235, 53584), (5584, 50235), (5910, 47464), (5933, 47280), (6698, 41880), (6980, 40188), (7880, 35598), (8376, 33490), (9456, 29665), (10047, 27920), (10470, 26792), (11820, 23732), (11866, 23640), (13396, 20940), (13960, 20094), (15760, 17799), (16745, 16752)]