155123220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2822

約数の個数: 144

約数和(自身を含む): 532042560

約数和(自身を除く): 376919340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2777, 2793, 2940, 3724, 3990, 4655, 5554, 5586, 7980, 8331, 9310, 11108, 11172, 13885, 13965, 16662, 18620, 19439, 27770, 27930, 33324, 38878, 41655, 52763, 55540, 55860, 58317, 77756, 83310, 97195, 105526, 116634, 136073, 158289, 166620, 194390, 211052, 233268, 263815, 272146, 291585, 316578, 369341, 388780, 408219, 527630, 544292, 583170, 633156, 680365, 738682, 791445, 816438, 1055260, 1108023, 1166340, 1360730, 1477364, 1582890, 1632876, 1846705, 2041095, 2216046, 2585387, 2721460, 3165780, 3693410, 4082190, 4432092, 5170774, 5540115, 7386820, 7756161, 8164380, 10341548, 11080230, 12926935, 15512322, 22160460, 25853870, 31024644, 38780805, 51707740, 77561610, 155123220]

約数ペア:

[(1, 155123220), (2, 77561610), (3, 51707740), (4, 38780805), (5, 31024644), (6, 25853870), (7, 22160460), (10, 15512322), (12, 12926935), (14, 11080230), (15, 10341548), (19, 8164380), (20, 7756161), (21, 7386820), (28, 5540115), (30, 5170774), (35, 4432092), (38, 4082190), (42, 3693410), (49, 3165780), (57, 2721460), (60, 2585387), (70, 2216046), (76, 2041095), (84, 1846705), (95, 1632876), (98, 1582890), (105, 1477364), (114, 1360730), (133, 1166340), (140, 1108023), (147, 1055260), (190, 816438), (196, 791445), (210, 738682), (228, 680365), (245, 633156), (266, 583170), (285, 544292), (294, 527630), (380, 408219), (399, 388780), (420, 369341), (490, 316578), (532, 291585), (570, 272146), (588, 263815), (665, 233268), (735, 211052), (798, 194390), (931, 166620), (980, 158289), (1140, 136073), (1330, 116634), (1470, 105526), (1596, 97195), (1862, 83310), (1995, 77756), (2660, 58317), (2777, 55860), (2793, 55540), (2940, 52763), (3724, 41655), (3990, 38878), (4655, 33324), (5554, 27930), (5586, 27770), (7980, 19439), (8331, 18620), (9310, 16662), (11108, 13965), (11172, 13885)]