156955480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 409743360

約数和(自身を除く): 252787880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 37, 40, 44, 55, 62, 74, 88, 110, 124, 148, 155, 185, 220, 248, 296, 310, 311, 341, 370, 407, 440, 620, 622, 682, 740, 814, 1147, 1240, 1244, 1364, 1480, 1555, 1628, 1705, 2035, 2294, 2488, 2728, 3110, 3256, 3410, 3421, 4070, 4588, 5735, 6220, 6820, 6842, 8140, 9176, 9641, 11470, 11507, 12440, 12617, 13640, 13684, 16280, 17105, 19282, 22940, 23014, 25234, 27368, 34210, 38564, 45880, 46028, 48205, 50468, 57535, 63085, 68420, 77128, 92056, 96410, 100936, 106051, 115070, 126170, 126577, 136840, 192820, 212102, 230140, 252340, 253154, 356717, 385640, 424204, 460280, 504680, 506308, 530255, 632885, 713434, 848408, 1012616, 1060510, 1265770, 1426868, 1783585, 2121020, 2531540, 2853736, 3567170, 3923887, 4242040, 5063080, 7134340, 7847774, 14268680, 15695548, 19619435, 31391096, 39238870, 78477740, 156955480]

約数ペア:

[(1, 156955480), (2, 78477740), (4, 39238870), (5, 31391096), (8, 19619435), (10, 15695548), (11, 14268680), (20, 7847774), (22, 7134340), (31, 5063080), (37, 4242040), (40, 3923887), (44, 3567170), (55, 2853736), (62, 2531540), (74, 2121020), (88, 1783585), (110, 1426868), (124, 1265770), (148, 1060510), (155, 1012616), (185, 848408), (220, 713434), (248, 632885), (296, 530255), (310, 506308), (311, 504680), (341, 460280), (370, 424204), (407, 385640), (440, 356717), (620, 253154), (622, 252340), (682, 230140), (740, 212102), (814, 192820), (1147, 136840), (1240, 126577), (1244, 126170), (1364, 115070), (1480, 106051), (1555, 100936), (1628, 96410), (1705, 92056), (2035, 77128), (2294, 68420), (2488, 63085), (2728, 57535), (3110, 50468), (3256, 48205), (3410, 46028), (3421, 45880), (4070, 38564), (4588, 34210), (5735, 27368), (6220, 25234), (6820, 23014), (6842, 22940), (8140, 19282), (9176, 17105), (9641, 16280), (11470, 13684), (11507, 13640), (12440, 12617)]