28118520

素因数分解:

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

素因数の和:2165

約数の個数: 96

約数和(自身を含む): 93899520

約数和(自身を除く): 65781000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 2111, 2220, 2664, 3330, 4222, 4440, 6333, 6660, 8444, 10555, 12666, 13320, 16888, 18999, 21110, 25332, 31665, 37998, 42220, 50664, 63330, 75996, 78107, 84440, 94995, 126660, 151992, 156214, 189990, 234321, 253320, 312428, 379980, 390535, 468642, 624856, 702963, 759960, 781070, 937284, 1171605, 1405926, 1562140, 1874568, 2343210, 2811852, 3124280, 3514815, 4686420, 5623704, 7029630, 9372840, 14059260, 28118520]

約数ペア:

[(1, 28118520), (2, 14059260), (3, 9372840), (4, 7029630), (5, 5623704), (6, 4686420), (8, 3514815), (9, 3124280), (10, 2811852), (12, 2343210), (15, 1874568), (18, 1562140), (20, 1405926), (24, 1171605), (30, 937284), (36, 781070), (37, 759960), (40, 702963), (45, 624856), (60, 468642), (72, 390535), (74, 379980), (90, 312428), (111, 253320), (120, 234321), (148, 189990), (180, 156214), (185, 151992), (222, 126660), (296, 94995), (333, 84440), (360, 78107), (370, 75996), (444, 63330), (555, 50664), (666, 42220), (740, 37998), (888, 31665), (1110, 25332), (1332, 21110), (1480, 18999), (1665, 16888), (2111, 13320), (2220, 12666), (2664, 10555), (3330, 8444), (4222, 6660), (4440, 6333)]