66346720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 180986400

約数和(自身を除く): 114639680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 121, 149, 160, 176, 184, 220, 230, 242, 253, 298, 352, 368, 440, 460, 484, 506, 596, 605, 736, 745, 880, 920, 968, 1012, 1192, 1210, 1265, 1490, 1639, 1760, 1840, 1936, 2024, 2384, 2420, 2530, 2783, 2980, 3278, 3427, 3680, 3872, 4048, 4768, 4840, 5060, 5566, 5960, 6556, 6854, 8096, 8195, 9680, 10120, 11132, 11920, 13112, 13708, 13915, 16390, 17135, 18029, 19360, 20240, 22264, 23840, 26224, 27416, 27830, 32780, 34270, 36058, 37697, 40480, 44528, 52448, 54832, 55660, 65560, 68540, 72116, 75394, 89056, 90145, 109664, 111320, 131120, 137080, 144232, 150788, 180290, 188485, 222640, 262240, 274160, 288464, 301576, 360580, 376970, 414667, 445280, 548320, 576928, 603152, 721160, 753940, 829334, 1206304, 1442320, 1507880, 1658668, 2073335, 2884640, 3015760, 3317336, 4146670, 6031520, 6634672, 8293340, 13269344, 16586680, 33173360, 66346720]

約数ペア:

[(1, 66346720), (2, 33173360), (4, 16586680), (5, 13269344), (8, 8293340), (10, 6634672), (11, 6031520), (16, 4146670), (20, 3317336), (22, 3015760), (23, 2884640), (32, 2073335), (40, 1658668), (44, 1507880), (46, 1442320), (55, 1206304), (80, 829334), (88, 753940), (92, 721160), (110, 603152), (115, 576928), (121, 548320), (149, 445280), (160, 414667), (176, 376970), (184, 360580), (220, 301576), (230, 288464), (242, 274160), (253, 262240), (298, 222640), (352, 188485), (368, 180290), (440, 150788), (460, 144232), (484, 137080), (506, 131120), (596, 111320), (605, 109664), (736, 90145), (745, 89056), (880, 75394), (920, 72116), (968, 68540), (1012, 65560), (1192, 55660), (1210, 54832), (1265, 52448), (1490, 44528), (1639, 40480), (1760, 37697), (1840, 36058), (1936, 34270), (2024, 32780), (2384, 27830), (2420, 27416), (2530, 26224), (2783, 23840), (2980, 22264), (3278, 20240), (3427, 19360), (3680, 18029), (3872, 17135), (4048, 16390), (4768, 13915), (4840, 13708), (5060, 13112), (5566, 11920), (5960, 11132), (6556, 10120), (6854, 9680), (8096, 8195)]