217478640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29231}}^1$

素因数の和:29278

約数の個数: 80

約数和(自身を含む): 695955456

約数和(自身を除く): 478476816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 29231, 58462, 87693, 116924, 146155, 175386, 233848, 292310, 350772, 438465, 467696, 584620, 701544, 876930, 906161, 1169240, 1403088, 1753860, 1812322, 2338480, 2718483, 3507720, 3624644, 4530805, 5436966, 7015440, 7249288, 9061610, 10873932, 13592415, 14498576, 18123220, 21747864, 27184830, 36246440, 43495728, 54369660, 72492880, 108739320, 217478640]

約数ペア:

[(1, 217478640), (2, 108739320), (3, 72492880), (4, 54369660), (5, 43495728), (6, 36246440), (8, 27184830), (10, 21747864), (12, 18123220), (15, 14498576), (16, 13592415), (20, 10873932), (24, 9061610), (30, 7249288), (31, 7015440), (40, 5436966), (48, 4530805), (60, 3624644), (62, 3507720), (80, 2718483), (93, 2338480), (120, 1812322), (124, 1753860), (155, 1403088), (186, 1169240), (240, 906161), (248, 876930), (310, 701544), (372, 584620), (465, 467696), (496, 438465), (620, 350772), (744, 292310), (930, 233848), (1240, 175386), (1488, 146155), (1860, 116924), (2480, 87693), (3720, 58462), (7440, 29231)]