81557424

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2293}}^1$

素因数の和:2339

約数の個数: 120

約数和(自身を含む): 258854960

約数和(自身を除く): 177297536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 624, 684, 741, 912, 936, 988, 1368, 1482, 1872, 1976, 2223, 2293, 2736, 2964, 3952, 4446, 4586, 5928, 6879, 8892, 9172, 11856, 13758, 17784, 18344, 20637, 27516, 29809, 35568, 36688, 41274, 43567, 55032, 59618, 82548, 87134, 89427, 110064, 119236, 130701, 165096, 174268, 178854, 238472, 261402, 268281, 330192, 348536, 357708, 392103, 476944, 522804, 536562, 566371, 697072, 715416, 784206, 1045608, 1073124, 1132742, 1430832, 1568412, 1699113, 2091216, 2146248, 2265484, 3136824, 3398226, 4292496, 4530968, 5097339, 6273648, 6796452, 9061936, 10194678, 13592904, 20389356, 27185808, 40778712, 81557424]

約数ペア:

[(1, 81557424), (2, 40778712), (3, 27185808), (4, 20389356), (6, 13592904), (8, 10194678), (9, 9061936), (12, 6796452), (13, 6273648), (16, 5097339), (18, 4530968), (19, 4292496), (24, 3398226), (26, 3136824), (36, 2265484), (38, 2146248), (39, 2091216), (48, 1699113), (52, 1568412), (57, 1430832), (72, 1132742), (76, 1073124), (78, 1045608), (104, 784206), (114, 715416), (117, 697072), (144, 566371), (152, 536562), (156, 522804), (171, 476944), (208, 392103), (228, 357708), (234, 348536), (247, 330192), (304, 268281), (312, 261402), (342, 238472), (456, 178854), (468, 174268), (494, 165096), (624, 130701), (684, 119236), (741, 110064), (912, 89427), (936, 87134), (988, 82548), (1368, 59618), (1482, 55032), (1872, 43567), (1976, 41274), (2223, 36688), (2293, 35568), (2736, 29809), (2964, 27516), (3952, 20637), (4446, 18344), (4586, 17784), (5928, 13758), (6879, 11856), (8892, 9172)]