87006640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 232485120

約数和(自身を除く): 145478480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 502, 560, 619, 1004, 1238, 1255, 1757, 2008, 2476, 2510, 3095, 3514, 4016, 4333, 4952, 5020, 6190, 7028, 8666, 8785, 9904, 10040, 12380, 14056, 17332, 17570, 20080, 21665, 24760, 28112, 34664, 35140, 43330, 49520, 69328, 70280, 86660, 140560, 155369, 173320, 310738, 346640, 621476, 776845, 1087583, 1242952, 1553690, 2175166, 2485904, 3107380, 4350332, 5437915, 6214760, 8700664, 10875830, 12429520, 17401328, 21751660, 43503320, 87006640]

約数ペア:

[(1, 87006640), (2, 43503320), (4, 21751660), (5, 17401328), (7, 12429520), (8, 10875830), (10, 8700664), (14, 6214760), (16, 5437915), (20, 4350332), (28, 3107380), (35, 2485904), (40, 2175166), (56, 1553690), (70, 1242952), (80, 1087583), (112, 776845), (140, 621476), (251, 346640), (280, 310738), (502, 173320), (560, 155369), (619, 140560), (1004, 86660), (1238, 70280), (1255, 69328), (1757, 49520), (2008, 43330), (2476, 35140), (2510, 34664), (3095, 28112), (3514, 24760), (4016, 21665), (4333, 20080), (4952, 17570), (5020, 17332), (6190, 14056), (7028, 12380), (8666, 10040), (8785, 9904)]