61280560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 157489920

約数和(自身を除く): 96209360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 166, 176, 220, 332, 415, 440, 664, 830, 839, 880, 913, 1328, 1660, 1678, 1826, 3320, 3356, 3652, 4195, 4565, 6640, 6712, 7304, 8390, 9130, 9229, 13424, 14608, 16780, 18260, 18458, 33560, 36520, 36916, 46145, 67120, 69637, 73040, 73832, 92290, 139274, 147664, 184580, 278548, 348185, 369160, 557096, 696370, 738320, 766007, 1114192, 1392740, 1532014, 2785480, 3064028, 3830035, 5570960, 6128056, 7660070, 12256112, 15320140, 30640280, 61280560]

約数ペア:

[(1, 61280560), (2, 30640280), (4, 15320140), (5, 12256112), (8, 7660070), (10, 6128056), (11, 5570960), (16, 3830035), (20, 3064028), (22, 2785480), (40, 1532014), (44, 1392740), (55, 1114192), (80, 766007), (83, 738320), (88, 696370), (110, 557096), (166, 369160), (176, 348185), (220, 278548), (332, 184580), (415, 147664), (440, 139274), (664, 92290), (830, 73832), (839, 73040), (880, 69637), (913, 67120), (1328, 46145), (1660, 36916), (1678, 36520), (1826, 33560), (3320, 18458), (3356, 18260), (3652, 16780), (4195, 14608), (4565, 13424), (6640, 9229), (6712, 9130), (7304, 8390)]