82538120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 225884160

約数和(自身を除く): 143346040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 257, 259, 280, 296, 310, 370, 434, 514, 518, 620, 740, 868, 1028, 1036, 1085, 1147, 1240, 1285, 1295, 1480, 1736, 1799, 2056, 2072, 2170, 2294, 2570, 2590, 3598, 4340, 4588, 5140, 5180, 5735, 7196, 7967, 8029, 8680, 8995, 9176, 9509, 10280, 10360, 11470, 14392, 15934, 16058, 17990, 19018, 22940, 31868, 32116, 35980, 38036, 39835, 40145, 45880, 47545, 55769, 63736, 64232, 66563, 71960, 76072, 79670, 80290, 95090, 111538, 133126, 159340, 160580, 190180, 223076, 266252, 278845, 294779, 318680, 321160, 332815, 380360, 446152, 532504, 557690, 589558, 665630, 1115380, 1179116, 1331260, 1473895, 2063453, 2230760, 2358232, 2662520, 2947790, 4126906, 5895580, 8253812, 10317265, 11791160, 16507624, 20634530, 41269060, 82538120]

約数ペア:

[(1, 82538120), (2, 41269060), (4, 20634530), (5, 16507624), (7, 11791160), (8, 10317265), (10, 8253812), (14, 5895580), (20, 4126906), (28, 2947790), (31, 2662520), (35, 2358232), (37, 2230760), (40, 2063453), (56, 1473895), (62, 1331260), (70, 1179116), (74, 1115380), (124, 665630), (140, 589558), (148, 557690), (155, 532504), (185, 446152), (217, 380360), (248, 332815), (257, 321160), (259, 318680), (280, 294779), (296, 278845), (310, 266252), (370, 223076), (434, 190180), (514, 160580), (518, 159340), (620, 133126), (740, 111538), (868, 95090), (1028, 80290), (1036, 79670), (1085, 76072), (1147, 71960), (1240, 66563), (1285, 64232), (1295, 63736), (1480, 55769), (1736, 47545), (1799, 45880), (2056, 40145), (2072, 39835), (2170, 38036), (2294, 35980), (2570, 32116), (2590, 31868), (3598, 22940), (4340, 19018), (4588, 17990), (5140, 16058), (5180, 15934), (5735, 14392), (7196, 11470), (7967, 10360), (8029, 10280), (8680, 9509), (8995, 9176)]