18745680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2111}}^1$

素因数の和:2164

約数の個数: 80

約数和(自身を含む): 59710464

約数和(自身を除く): 40964784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2111, 2220, 2960, 4222, 4440, 6333, 8444, 8880, 10555, 12666, 16888, 21110, 25332, 31665, 33776, 42220, 50664, 63330, 78107, 84440, 101328, 126660, 156214, 168880, 234321, 253320, 312428, 390535, 468642, 506640, 624856, 781070, 937284, 1171605, 1249712, 1562140, 1874568, 2343210, 3124280, 3749136, 4686420, 6248560, 9372840, 18745680]

約数ペア:

[(1, 18745680), (2, 9372840), (3, 6248560), (4, 4686420), (5, 3749136), (6, 3124280), (8, 2343210), (10, 1874568), (12, 1562140), (15, 1249712), (16, 1171605), (20, 937284), (24, 781070), (30, 624856), (37, 506640), (40, 468642), (48, 390535), (60, 312428), (74, 253320), (80, 234321), (111, 168880), (120, 156214), (148, 126660), (185, 101328), (222, 84440), (240, 78107), (296, 63330), (370, 50664), (444, 42220), (555, 33776), (592, 31665), (740, 25332), (888, 21110), (1110, 16888), (1480, 12666), (1776, 10555), (2111, 8880), (2220, 8444), (2960, 6333), (4222, 4440)]