263238480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2243}}^1$

素因数の和:2425

約数の個数: 120

約数和(自身を含む): 889862688

約数和(自身を除く): 626624208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1304, 1467, 1630, 1956, 2243, 2445, 2608, 2934, 3260, 3912, 4486, 4890, 5868, 6520, 6729, 7335, 7824, 8972, 9780, 11215, 11736, 13040, 13458, 14670, 17944, 19560, 20187, 22430, 23472, 26916, 29340, 33645, 35888, 39120, 40374, 44860, 53832, 58680, 67290, 80748, 89720, 100935, 107664, 117360, 134580, 161496, 179440, 201870, 269160, 322992, 365609, 403740, 538320, 731218, 807480, 1096827, 1462436, 1614960, 1828045, 2193654, 2924872, 3290481, 3656090, 4387308, 5484135, 5849744, 6580962, 7312180, 8774616, 10968270, 13161924, 14624360, 16452405, 17549232, 21936540, 26323848, 29248720, 32904810, 43873080, 52647696, 65809620, 87746160, 131619240, 263238480]

約数ペア:

[(1, 263238480), (2, 131619240), (3, 87746160), (4, 65809620), (5, 52647696), (6, 43873080), (8, 32904810), (9, 29248720), (10, 26323848), (12, 21936540), (15, 17549232), (16, 16452405), (18, 14624360), (20, 13161924), (24, 10968270), (30, 8774616), (36, 7312180), (40, 6580962), (45, 5849744), (48, 5484135), (60, 4387308), (72, 3656090), (80, 3290481), (90, 2924872), (120, 2193654), (144, 1828045), (163, 1614960), (180, 1462436), (240, 1096827), (326, 807480), (360, 731218), (489, 538320), (652, 403740), (720, 365609), (815, 322992), (978, 269160), (1304, 201870), (1467, 179440), (1630, 161496), (1956, 134580), (2243, 117360), (2445, 107664), (2608, 100935), (2934, 89720), (3260, 80748), (3912, 67290), (4486, 58680), (4890, 53832), (5868, 44860), (6520, 40374), (6729, 39120), (7335, 35888), (7824, 33645), (8972, 29340), (9780, 26916), (11215, 23472), (11736, 22430), (13040, 20187), (13458, 19560), (14670, 17944)]