54808160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 150822000

約数和(自身を除く): 96013840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 149, 152, 160, 176, 190, 209, 220, 242, 298, 304, 352, 380, 418, 440, 484, 596, 605, 608, 745, 760, 836, 880, 968, 1045, 1192, 1210, 1490, 1520, 1639, 1672, 1760, 1936, 2090, 2299, 2384, 2420, 2831, 2980, 3040, 3278, 3344, 3872, 4180, 4598, 4768, 4840, 5662, 5960, 6556, 6688, 8195, 8360, 9196, 9680, 11324, 11495, 11920, 13112, 14155, 16390, 16720, 18029, 18392, 19360, 22648, 22990, 23840, 26224, 28310, 31141, 32780, 33440, 36058, 36784, 45296, 45980, 52448, 56620, 62282, 65560, 72116, 73568, 90145, 90592, 91960, 113240, 124564, 131120, 144232, 155705, 180290, 183920, 226480, 249128, 262240, 288464, 311410, 342551, 360580, 367840, 452960, 498256, 576928, 622820, 685102, 721160, 996512, 1245640, 1370204, 1442320, 1712755, 2491280, 2740408, 2884640, 3425510, 4982560, 5480816, 6851020, 10961632, 13702040, 27404080, 54808160]

約数ペア:

[(1, 54808160), (2, 27404080), (4, 13702040), (5, 10961632), (8, 6851020), (10, 5480816), (11, 4982560), (16, 3425510), (19, 2884640), (20, 2740408), (22, 2491280), (32, 1712755), (38, 1442320), (40, 1370204), (44, 1245640), (55, 996512), (76, 721160), (80, 685102), (88, 622820), (95, 576928), (110, 498256), (121, 452960), (149, 367840), (152, 360580), (160, 342551), (176, 311410), (190, 288464), (209, 262240), (220, 249128), (242, 226480), (298, 183920), (304, 180290), (352, 155705), (380, 144232), (418, 131120), (440, 124564), (484, 113240), (596, 91960), (605, 90592), (608, 90145), (745, 73568), (760, 72116), (836, 65560), (880, 62282), (968, 56620), (1045, 52448), (1192, 45980), (1210, 45296), (1490, 36784), (1520, 36058), (1639, 33440), (1672, 32780), (1760, 31141), (1936, 28310), (2090, 26224), (2299, 23840), (2384, 22990), (2420, 22648), (2831, 19360), (2980, 18392), (3040, 18029), (3278, 16720), (3344, 16390), (3872, 14155), (4180, 13112), (4598, 11920), (4768, 11495), (4840, 11324), (5662, 9680), (5960, 9196), (6556, 8360), (6688, 8195)]