81494880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 265727952

約数和(自身を除く): 184233072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 101, 120, 123, 160, 164, 202, 205, 240, 246, 303, 328, 404, 410, 480, 492, 505, 606, 615, 656, 808, 820, 984, 1010, 1212, 1230, 1312, 1515, 1616, 1640, 1681, 1968, 2020, 2424, 2460, 3030, 3232, 3280, 3362, 3936, 4040, 4141, 4848, 4920, 5043, 6060, 6560, 6724, 8080, 8282, 8405, 9696, 9840, 10086, 12120, 12423, 13448, 16160, 16564, 16810, 19680, 20172, 20705, 24240, 24846, 25215, 26896, 33128, 33620, 40344, 41410, 48480, 49692, 50430, 53792, 62115, 66256, 67240, 80688, 82820, 99384, 100860, 124230, 132512, 134480, 161376, 165640, 169781, 198768, 201720, 248460, 268960, 331280, 339562, 397536, 403440, 496920, 509343, 662560, 679124, 806880, 848905, 993840, 1018686, 1358248, 1697810, 1987680, 2037372, 2546715, 2716496, 3395620, 4074744, 5093430, 5432992, 6791240, 8149488, 10186860, 13582480, 16298976, 20373720, 27164960, 40747440, 81494880]

約数ペア:

[(1, 81494880), (2, 40747440), (3, 27164960), (4, 20373720), (5, 16298976), (6, 13582480), (8, 10186860), (10, 8149488), (12, 6791240), (15, 5432992), (16, 5093430), (20, 4074744), (24, 3395620), (30, 2716496), (32, 2546715), (40, 2037372), (41, 1987680), (48, 1697810), (60, 1358248), (80, 1018686), (82, 993840), (96, 848905), (101, 806880), (120, 679124), (123, 662560), (160, 509343), (164, 496920), (202, 403440), (205, 397536), (240, 339562), (246, 331280), (303, 268960), (328, 248460), (404, 201720), (410, 198768), (480, 169781), (492, 165640), (505, 161376), (606, 134480), (615, 132512), (656, 124230), (808, 100860), (820, 99384), (984, 82820), (1010, 80688), (1212, 67240), (1230, 66256), (1312, 62115), (1515, 53792), (1616, 50430), (1640, 49692), (1681, 48480), (1968, 41410), (2020, 40344), (2424, 33620), (2460, 33128), (3030, 26896), (3232, 25215), (3280, 24846), (3362, 24240), (3936, 20705), (4040, 20172), (4141, 19680), (4848, 16810), (4920, 16564), (5043, 16160), (6060, 13448), (6560, 12423), (6724, 12120), (8080, 10086), (8282, 9840), (8405, 9696)]