640490280240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{929}}^1\times {\mathrm{2872669}}^1$

素因数の和:2873614

約数の個数: 80

約数和(自身を含む): 1987657826400

約数和(自身を除く): 1347167546160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 929, 1858, 2787, 3716, 4645, 5574, 7432, 9290, 11148, 13935, 14864, 18580, 22296, 27870, 37160, 44592, 55740, 74320, 111480, 222960, 2872669, 5745338, 8618007, 11490676, 14363345, 17236014, 22981352, 28726690, 34472028, 43090035, 45962704, 57453380, 68944056, 86180070, 114906760, 137888112, 172360140, 229813520, 344720280, 689440560, 2668709501, 5337419002, 8006128503, 10674838004, 13343547505, 16012257006, 21349676008, 26687095010, 32024514012, 40030642515, 42699352016, 53374190020, 64049028024, 80061285030, 106748380040, 128098056048, 160122570060, 213496760080, 320245140120, 640490280240]

約数ペア:

[(1, 640490280240), (2, 320245140120), (3, 213496760080), (4, 160122570060), (5, 128098056048), (6, 106748380040), (8, 80061285030), (10, 64049028024), (12, 53374190020), (15, 42699352016), (16, 40030642515), (20, 32024514012), (24, 26687095010), (30, 21349676008), (40, 16012257006), (48, 13343547505), (60, 10674838004), (80, 8006128503), (120, 5337419002), (240, 2668709501), (929, 689440560), (1858, 344720280), (2787, 229813520), (3716, 172360140), (4645, 137888112), (5574, 114906760), (7432, 86180070), (9290, 68944056), (11148, 57453380), (13935, 45962704), (14864, 43090035), (18580, 34472028), (22296, 28726690), (27870, 22981352), (37160, 17236014), (44592, 14363345), (55740, 11490676), (74320, 8618007), (111480, 5745338), (222960, 2872669)]