514986880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 1288431360

約数和(自身を除く): 773444480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 128, 155, 160, 202, 248, 257, 310, 320, 404, 496, 505, 514, 620, 640, 808, 992, 1010, 1028, 1240, 1285, 1616, 1984, 2020, 2056, 2480, 2570, 3131, 3232, 3968, 4040, 4112, 4960, 5140, 6262, 6464, 7967, 8080, 8224, 9920, 10280, 12524, 12928, 15655, 15934, 16160, 16448, 19840, 20560, 25048, 25957, 31310, 31868, 32320, 32896, 39835, 41120, 50096, 51914, 62620, 63736, 64640, 79670, 82240, 100192, 103828, 125240, 127472, 129785, 159340, 164480, 200384, 207656, 250480, 254944, 259570, 318680, 400768, 415312, 500960, 509888, 519140, 637360, 804667, 830624, 1001920, 1019776, 1038280, 1274720, 1609334, 1661248, 2003840, 2076560, 2549440, 3218668, 3322496, 4023335, 4153120, 5098880, 6437336, 8046670, 8306240, 12874672, 16093340, 16612480, 25749344, 32186680, 51498688, 64373360, 102997376, 128746720, 257493440, 514986880]

約数ペア:

[(1, 514986880), (2, 257493440), (4, 128746720), (5, 102997376), (8, 64373360), (10, 51498688), (16, 32186680), (20, 25749344), (31, 16612480), (32, 16093340), (40, 12874672), (62, 8306240), (64, 8046670), (80, 6437336), (101, 5098880), (124, 4153120), (128, 4023335), (155, 3322496), (160, 3218668), (202, 2549440), (248, 2076560), (257, 2003840), (310, 1661248), (320, 1609334), (404, 1274720), (496, 1038280), (505, 1019776), (514, 1001920), (620, 830624), (640, 804667), (808, 637360), (992, 519140), (1010, 509888), (1028, 500960), (1240, 415312), (1285, 400768), (1616, 318680), (1984, 259570), (2020, 254944), (2056, 250480), (2480, 207656), (2570, 200384), (3131, 164480), (3232, 159340), (3968, 129785), (4040, 127472), (4112, 125240), (4960, 103828), (5140, 100192), (6262, 82240), (6464, 79670), (7967, 64640), (8080, 63736), (8224, 62620), (9920, 51914), (10280, 50096), (12524, 41120), (12928, 39835), (15655, 32896), (15934, 32320), (16160, 31868), (16448, 31310), (19840, 25957), (20560, 25048)]