215655840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4883

約数の個数: 144

約数和(自身を含む): 759822336

約数和(自身を除く): 544166496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4831, 4960, 5580, 7440, 8928, 9662, 11160, 14493, 14880, 19324, 22320, 24155, 28986, 38648, 43479, 44640, 48310, 57972, 72465, 77296, 86958, 96620, 115944, 144930, 149761, 154592, 173916, 193240, 217395, 231888, 289860, 299522, 347832, 386480, 434790, 449283, 463776, 579720, 599044, 695664, 748805, 772960, 869580, 898566, 1159440, 1198088, 1347849, 1391328, 1497610, 1739160, 1797132, 2246415, 2318880, 2396176, 2695698, 2995220, 3478320, 3594264, 4492830, 4792352, 5391396, 5990440, 6739245, 6956640, 7188528, 8985660, 10782792, 11980880, 13478490, 14377056, 17971320, 21565584, 23961760, 26956980, 35942640, 43131168, 53913960, 71885280, 107827920, 215655840]

約数ペア:

[(1, 215655840), (2, 107827920), (3, 71885280), (4, 53913960), (5, 43131168), (6, 35942640), (8, 26956980), (9, 23961760), (10, 21565584), (12, 17971320), (15, 14377056), (16, 13478490), (18, 11980880), (20, 10782792), (24, 8985660), (30, 7188528), (31, 6956640), (32, 6739245), (36, 5990440), (40, 5391396), (45, 4792352), (48, 4492830), (60, 3594264), (62, 3478320), (72, 2995220), (80, 2695698), (90, 2396176), (93, 2318880), (96, 2246415), (120, 1797132), (124, 1739160), (144, 1497610), (155, 1391328), (160, 1347849), (180, 1198088), (186, 1159440), (240, 898566), (248, 869580), (279, 772960), (288, 748805), (310, 695664), (360, 599044), (372, 579720), (465, 463776), (480, 449283), (496, 434790), (558, 386480), (620, 347832), (720, 299522), (744, 289860), (930, 231888), (992, 217395), (1116, 193240), (1240, 173916), (1395, 154592), (1440, 149761), (1488, 144930), (1860, 115944), (2232, 96620), (2480, 86958), (2790, 77296), (2976, 72465), (3720, 57972), (4464, 48310), (4831, 44640), (4960, 43479), (5580, 38648), (7440, 28986), (8928, 24155), (9662, 22320), (11160, 19324), (14493, 14880)]