315317120

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:764

約数の個数: 128

約数和(自身を含む): 813127680

約数和(自身を除く): 497810560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 640, 691, 713, 736, 920, 992, 1240, 1382, 1426, 1472, 1840, 1984, 2480, 2764, 2852, 2944, 3455, 3565, 3680, 3968, 4960, 5528, 5704, 6910, 7130, 7360, 9920, 11056, 11408, 13820, 14260, 14720, 15893, 19840, 21421, 22112, 22816, 27640, 28520, 31786, 42842, 44224, 45632, 55280, 57040, 63572, 79465, 85684, 88448, 91264, 107105, 110560, 114080, 127144, 158930, 171368, 214210, 221120, 228160, 254288, 317860, 342736, 428420, 442240, 456320, 492683, 508576, 635720, 685472, 856840, 985366, 1017152, 1271440, 1370944, 1713680, 1970732, 2034304, 2463415, 2542880, 2741888, 3427360, 3941464, 4926830, 5085760, 6854720, 7882928, 9853660, 10171520, 13709440, 15765856, 19707320, 31531712, 39414640, 63063424, 78829280, 157658560, 315317120]

約数ペア:

[(1, 315317120), (2, 157658560), (4, 78829280), (5, 63063424), (8, 39414640), (10, 31531712), (16, 19707320), (20, 15765856), (23, 13709440), (31, 10171520), (32, 9853660), (40, 7882928), (46, 6854720), (62, 5085760), (64, 4926830), (80, 3941464), (92, 3427360), (115, 2741888), (124, 2542880), (128, 2463415), (155, 2034304), (160, 1970732), (184, 1713680), (230, 1370944), (248, 1271440), (310, 1017152), (320, 985366), (368, 856840), (460, 685472), (496, 635720), (620, 508576), (640, 492683), (691, 456320), (713, 442240), (736, 428420), (920, 342736), (992, 317860), (1240, 254288), (1382, 228160), (1426, 221120), (1472, 214210), (1840, 171368), (1984, 158930), (2480, 127144), (2764, 114080), (2852, 110560), (2944, 107105), (3455, 91264), (3565, 88448), (3680, 85684), (3968, 79465), (4960, 63572), (5528, 57040), (5704, 55280), (6910, 45632), (7130, 44224), (7360, 42842), (9920, 31786), (11056, 28520), (11408, 27640), (13820, 22816), (14260, 22112), (14720, 21421), (15893, 19840)]