161728600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 425988360

約数和(自身を除く): 264259760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 41, 44, 50, 55, 82, 88, 100, 110, 121, 163, 164, 200, 205, 220, 242, 275, 326, 328, 410, 440, 451, 484, 550, 605, 652, 815, 820, 902, 968, 1025, 1100, 1210, 1304, 1630, 1640, 1793, 1804, 2050, 2200, 2255, 2420, 3025, 3260, 3586, 3608, 4075, 4100, 4510, 4840, 4961, 6050, 6520, 6683, 7172, 8150, 8200, 8965, 9020, 9922, 11275, 12100, 13366, 14344, 16300, 17930, 18040, 19723, 19844, 22550, 24200, 24805, 26732, 32600, 33415, 35860, 39446, 39688, 44825, 45100, 49610, 53464, 66830, 71720, 73513, 78892, 89650, 90200, 98615, 99220, 124025, 133660, 147026, 157784, 167075, 179300, 197230, 198440, 248050, 267320, 294052, 334150, 358600, 367565, 394460, 493075, 496100, 588104, 668300, 735130, 788920, 808643, 986150, 992200, 1336600, 1470260, 1617286, 1837825, 1972300, 2940520, 3234572, 3675650, 3944600, 4043215, 6469144, 7351300, 8086430, 14702600, 16172860, 20216075, 32345720, 40432150, 80864300, 161728600]

約数ペア:

[(1, 161728600), (2, 80864300), (4, 40432150), (5, 32345720), (8, 20216075), (10, 16172860), (11, 14702600), (20, 8086430), (22, 7351300), (25, 6469144), (40, 4043215), (41, 3944600), (44, 3675650), (50, 3234572), (55, 2940520), (82, 1972300), (88, 1837825), (100, 1617286), (110, 1470260), (121, 1336600), (163, 992200), (164, 986150), (200, 808643), (205, 788920), (220, 735130), (242, 668300), (275, 588104), (326, 496100), (328, 493075), (410, 394460), (440, 367565), (451, 358600), (484, 334150), (550, 294052), (605, 267320), (652, 248050), (815, 198440), (820, 197230), (902, 179300), (968, 167075), (1025, 157784), (1100, 147026), (1210, 133660), (1304, 124025), (1630, 99220), (1640, 98615), (1793, 90200), (1804, 89650), (2050, 78892), (2200, 73513), (2255, 71720), (2420, 66830), (3025, 53464), (3260, 49610), (3586, 45100), (3608, 44825), (4075, 39688), (4100, 39446), (4510, 35860), (4840, 33415), (4961, 32600), (6050, 26732), (6520, 24805), (6683, 24200), (7172, 22550), (8150, 19844), (8200, 19723), (8965, 18040), (9020, 17930), (9922, 16300), (11275, 14344), (12100, 13366)]