7713240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 25920000

約数和(自身を除く): 18206760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 199, 204, 228, 255, 285, 323, 340, 380, 398, 408, 456, 510, 570, 597, 646, 680, 760, 796, 969, 995, 1020, 1140, 1194, 1292, 1592, 1615, 1938, 1990, 2040, 2280, 2388, 2584, 2985, 3230, 3383, 3781, 3876, 3980, 4776, 4845, 5970, 6460, 6766, 7562, 7752, 7960, 9690, 10149, 11343, 11940, 12920, 13532, 15124, 16915, 18905, 19380, 20298, 22686, 23880, 27064, 30248, 33830, 37810, 38760, 40596, 45372, 50745, 56715, 64277, 67660, 75620, 81192, 90744, 101490, 113430, 128554, 135320, 151240, 192831, 202980, 226860, 257108, 321385, 385662, 405960, 453720, 514216, 642770, 771324, 964155, 1285540, 1542648, 1928310, 2571080, 3856620, 7713240]

約数ペア:

[(1, 7713240), (2, 3856620), (3, 2571080), (4, 1928310), (5, 1542648), (6, 1285540), (8, 964155), (10, 771324), (12, 642770), (15, 514216), (17, 453720), (19, 405960), (20, 385662), (24, 321385), (30, 257108), (34, 226860), (38, 202980), (40, 192831), (51, 151240), (57, 135320), (60, 128554), (68, 113430), (76, 101490), (85, 90744), (95, 81192), (102, 75620), (114, 67660), (120, 64277), (136, 56715), (152, 50745), (170, 45372), (190, 40596), (199, 38760), (204, 37810), (228, 33830), (255, 30248), (285, 27064), (323, 23880), (340, 22686), (380, 20298), (398, 19380), (408, 18905), (456, 16915), (510, 15124), (570, 13532), (597, 12920), (646, 11940), (680, 11343), (760, 10149), (796, 9690), (969, 7960), (995, 7752), (1020, 7562), (1140, 6766), (1194, 6460), (1292, 5970), (1592, 4845), (1615, 4776), (1938, 3980), (1990, 3876), (2040, 3781), (2280, 3383), (2388, 3230), (2584, 2985)]