15561840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 56424960

約数和(自身を除く): 40863120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 59, 60, 70, 80, 84, 105, 112, 118, 120, 140, 157, 168, 177, 210, 236, 240, 280, 295, 314, 336, 354, 413, 420, 471, 472, 560, 590, 628, 708, 785, 826, 840, 885, 942, 944, 1099, 1180, 1239, 1256, 1416, 1570, 1652, 1680, 1770, 1884, 2065, 2198, 2355, 2360, 2478, 2512, 2832, 3140, 3297, 3304, 3540, 3768, 4130, 4396, 4710, 4720, 4956, 5495, 6195, 6280, 6594, 6608, 7080, 7536, 8260, 8792, 9263, 9420, 9912, 10990, 12390, 12560, 13188, 14160, 16485, 16520, 17584, 18526, 18840, 19824, 21980, 24780, 26376, 27789, 32970, 33040, 37052, 37680, 43960, 46315, 49560, 52752, 55578, 64841, 65940, 74104, 87920, 92630, 99120, 111156, 129682, 131880, 138945, 148208, 185260, 194523, 222312, 259364, 263760, 277890, 324205, 370520, 389046, 444624, 518728, 555780, 648410, 741040, 778092, 972615, 1037456, 1111560, 1296820, 1556184, 1945230, 2223120, 2593640, 3112368, 3890460, 5187280, 7780920, 15561840]

約数ペア:

[(1, 15561840), (2, 7780920), (3, 5187280), (4, 3890460), (5, 3112368), (6, 2593640), (7, 2223120), (8, 1945230), (10, 1556184), (12, 1296820), (14, 1111560), (15, 1037456), (16, 972615), (20, 778092), (21, 741040), (24, 648410), (28, 555780), (30, 518728), (35, 444624), (40, 389046), (42, 370520), (48, 324205), (56, 277890), (59, 263760), (60, 259364), (70, 222312), (80, 194523), (84, 185260), (105, 148208), (112, 138945), (118, 131880), (120, 129682), (140, 111156), (157, 99120), (168, 92630), (177, 87920), (210, 74104), (236, 65940), (240, 64841), (280, 55578), (295, 52752), (314, 49560), (336, 46315), (354, 43960), (413, 37680), (420, 37052), (471, 33040), (472, 32970), (560, 27789), (590, 26376), (628, 24780), (708, 21980), (785, 19824), (826, 18840), (840, 18526), (885, 17584), (942, 16520), (944, 16485), (1099, 14160), (1180, 13188), (1239, 12560), (1256, 12390), (1416, 10990), (1570, 9912), (1652, 9420), (1680, 9263), (1770, 8792), (1884, 8260), (2065, 7536), (2198, 7080), (2355, 6608), (2360, 6594), (2478, 6280), (2512, 6195), (2832, 5495), (3140, 4956), (3297, 4720), (3304, 4710), (3540, 4396), (3768, 4130)]