1318447360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:424

約数の個数: 144

約数和(自身を含む): 3296563200

約数和(自身を除く): 1978115840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 149, 155, 160, 223, 248, 256, 298, 310, 320, 446, 496, 596, 620, 640, 745, 892, 992, 1115, 1192, 1240, 1280, 1490, 1784, 1984, 2230, 2384, 2480, 2980, 3568, 3968, 4460, 4619, 4768, 4960, 5960, 6913, 7136, 7936, 8920, 9238, 9536, 9920, 11920, 13826, 14272, 17840, 18476, 19072, 19840, 23095, 23840, 27652, 28544, 33227, 34565, 35680, 36952, 38144, 39680, 46190, 47680, 55304, 57088, 66454, 69130, 71360, 73904, 92380, 95360, 110608, 132908, 138260, 142720, 147808, 166135, 184760, 190720, 221216, 265816, 276520, 285440, 295616, 332270, 369520, 442432, 531632, 553040, 591232, 664540, 739040, 884864, 1030037, 1063264, 1106080, 1182464, 1329080, 1478080, 1769728, 2060074, 2126528, 2212160, 2658160, 2956160, 4120148, 4253056, 4424320, 5150185, 5316320, 5912320, 8240296, 8506112, 8848640, 10300370, 10632640, 16480592, 20600740, 21265280, 32961184, 41201480, 42530560, 65922368, 82402960, 131844736, 164805920, 263689472, 329611840, 659223680, 1318447360]

約数ペア:

[(1, 1318447360), (2, 659223680), (4, 329611840), (5, 263689472), (8, 164805920), (10, 131844736), (16, 82402960), (20, 65922368), (31, 42530560), (32, 41201480), (40, 32961184), (62, 21265280), (64, 20600740), (80, 16480592), (124, 10632640), (128, 10300370), (149, 8848640), (155, 8506112), (160, 8240296), (223, 5912320), (248, 5316320), (256, 5150185), (298, 4424320), (310, 4253056), (320, 4120148), (446, 2956160), (496, 2658160), (596, 2212160), (620, 2126528), (640, 2060074), (745, 1769728), (892, 1478080), (992, 1329080), (1115, 1182464), (1192, 1106080), (1240, 1063264), (1280, 1030037), (1490, 884864), (1784, 739040), (1984, 664540), (2230, 591232), (2384, 553040), (2480, 531632), (2980, 442432), (3568, 369520), (3968, 332270), (4460, 295616), (4619, 285440), (4768, 276520), (4960, 265816), (5960, 221216), (6913, 190720), (7136, 184760), (7936, 166135), (8920, 147808), (9238, 142720), (9536, 138260), (9920, 132908), (11920, 110608), (13826, 95360), (14272, 92380), (17840, 73904), (18476, 71360), (19072, 69130), (19840, 66454), (23095, 57088), (23840, 55304), (27652, 47680), (28544, 46190), (33227, 39680), (34565, 38144), (35680, 36952)]