28945560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2027}}^1$

素因数の和:2065

約数の個数: 128

約数和(自身を含む): 105131520

約数和(自身を除く): 76185960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2027, 2040, 2380, 2856, 3570, 4054, 4760, 6081, 7140, 8108, 10135, 12162, 14189, 14280, 16216, 20270, 24324, 28378, 30405, 34459, 40540, 42567, 48648, 56756, 60810, 68918, 70945, 81080, 85134, 103377, 113512, 121620, 137836, 141890, 170268, 172295, 206754, 212835, 241213, 243240, 275672, 283780, 340536, 344590, 413508, 425670, 482426, 516885, 567560, 689180, 723639, 827016, 851340, 964852, 1033770, 1206065, 1378360, 1447278, 1702680, 1929704, 2067540, 2412130, 2894556, 3618195, 4135080, 4824260, 5789112, 7236390, 9648520, 14472780, 28945560]

約数ペア:

[(1, 28945560), (2, 14472780), (3, 9648520), (4, 7236390), (5, 5789112), (6, 4824260), (7, 4135080), (8, 3618195), (10, 2894556), (12, 2412130), (14, 2067540), (15, 1929704), (17, 1702680), (20, 1447278), (21, 1378360), (24, 1206065), (28, 1033770), (30, 964852), (34, 851340), (35, 827016), (40, 723639), (42, 689180), (51, 567560), (56, 516885), (60, 482426), (68, 425670), (70, 413508), (84, 344590), (85, 340536), (102, 283780), (105, 275672), (119, 243240), (120, 241213), (136, 212835), (140, 206754), (168, 172295), (170, 170268), (204, 141890), (210, 137836), (238, 121620), (255, 113512), (280, 103377), (340, 85134), (357, 81080), (408, 70945), (420, 68918), (476, 60810), (510, 56756), (595, 48648), (680, 42567), (714, 40540), (840, 34459), (952, 30405), (1020, 28378), (1190, 24324), (1428, 20270), (1785, 16216), (2027, 14280), (2040, 14189), (2380, 12162), (2856, 10135), (3570, 8108), (4054, 7140), (4760, 6081)]