87568880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 120

約数和(自身を含む): 240453360

約数和(自身を除く): 152884480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 245, 251, 280, 356, 392, 445, 490, 502, 560, 623, 712, 784, 890, 980, 1004, 1246, 1255, 1424, 1757, 1780, 1960, 2008, 2492, 2510, 3115, 3514, 3560, 3920, 4016, 4361, 4984, 5020, 6230, 7028, 7120, 8722, 8785, 9968, 10040, 12299, 12460, 14056, 17444, 17570, 20080, 21805, 22339, 24598, 24920, 28112, 34888, 35140, 43610, 44678, 49196, 49840, 61495, 69776, 70280, 87220, 89356, 98392, 111695, 122990, 140560, 156373, 174440, 178712, 196784, 223390, 245980, 312746, 348880, 357424, 446780, 491960, 625492, 781865, 893560, 983920, 1094611, 1250984, 1563730, 1787120, 2189222, 2501968, 3127460, 4378444, 5473055, 6254920, 8756888, 10946110, 12509840, 17513776, 21892220, 43784440, 87568880]

約数ペア:

[(1, 87568880), (2, 43784440), (4, 21892220), (5, 17513776), (7, 12509840), (8, 10946110), (10, 8756888), (14, 6254920), (16, 5473055), (20, 4378444), (28, 3127460), (35, 2501968), (40, 2189222), (49, 1787120), (56, 1563730), (70, 1250984), (80, 1094611), (89, 983920), (98, 893560), (112, 781865), (140, 625492), (178, 491960), (196, 446780), (245, 357424), (251, 348880), (280, 312746), (356, 245980), (392, 223390), (445, 196784), (490, 178712), (502, 174440), (560, 156373), (623, 140560), (712, 122990), (784, 111695), (890, 98392), (980, 89356), (1004, 87220), (1246, 70280), (1255, 69776), (1424, 61495), (1757, 49840), (1780, 49196), (1960, 44678), (2008, 43610), (2492, 35140), (2510, 34888), (3115, 28112), (3514, 24920), (3560, 24598), (3920, 22339), (4016, 21805), (4361, 20080), (4984, 17570), (5020, 17444), (6230, 14056), (7028, 12460), (7120, 12299), (8722, 10040), (8785, 9968)]