28409280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:414

約数の個数: 112

約数和(自身を含む): 91403424

約数和(自身を除く): 62994144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 160, 192, 202, 240, 293, 303, 320, 404, 480, 505, 586, 606, 808, 879, 960, 1010, 1172, 1212, 1465, 1515, 1616, 1758, 2020, 2344, 2424, 2930, 3030, 3232, 3516, 4040, 4395, 4688, 4848, 5860, 6060, 6464, 7032, 8080, 8790, 9376, 9696, 11720, 12120, 14064, 16160, 17580, 18752, 19392, 23440, 24240, 28128, 29593, 32320, 35160, 46880, 48480, 56256, 59186, 70320, 88779, 93760, 96960, 118372, 140640, 147965, 177558, 236744, 281280, 295930, 355116, 443895, 473488, 591860, 710232, 887790, 946976, 1183720, 1420464, 1775580, 1893952, 2367440, 2840928, 3551160, 4734880, 5681856, 7102320, 9469760, 14204640, 28409280]

約数ペア:

[(1, 28409280), (2, 14204640), (3, 9469760), (4, 7102320), (5, 5681856), (6, 4734880), (8, 3551160), (10, 2840928), (12, 2367440), (15, 1893952), (16, 1775580), (20, 1420464), (24, 1183720), (30, 946976), (32, 887790), (40, 710232), (48, 591860), (60, 473488), (64, 443895), (80, 355116), (96, 295930), (101, 281280), (120, 236744), (160, 177558), (192, 147965), (202, 140640), (240, 118372), (293, 96960), (303, 93760), (320, 88779), (404, 70320), (480, 59186), (505, 56256), (586, 48480), (606, 46880), (808, 35160), (879, 32320), (960, 29593), (1010, 28128), (1172, 24240), (1212, 23440), (1465, 19392), (1515, 18752), (1616, 17580), (1758, 16160), (2020, 14064), (2344, 12120), (2424, 11720), (2930, 9696), (3030, 9376), (3232, 8790), (3516, 8080), (4040, 7032), (4395, 6464), (4688, 6060), (4848, 5860)]