18256080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 60888960

約数和(自身を除く): 42632880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 43, 48, 58, 60, 61, 80, 86, 87, 116, 120, 122, 129, 145, 172, 174, 183, 215, 232, 240, 244, 258, 290, 305, 344, 348, 366, 430, 435, 464, 488, 516, 580, 610, 645, 688, 696, 732, 860, 870, 915, 976, 1032, 1160, 1220, 1247, 1290, 1392, 1464, 1720, 1740, 1769, 1830, 2064, 2320, 2440, 2494, 2580, 2623, 2928, 3440, 3480, 3538, 3660, 3741, 4880, 4988, 5160, 5246, 5307, 6235, 6960, 7076, 7320, 7482, 7869, 8845, 9976, 10320, 10492, 10614, 12470, 13115, 14152, 14640, 14964, 15738, 17690, 18705, 19952, 20984, 21228, 24940, 26230, 26535, 28304, 29928, 31476, 35380, 37410, 39345, 41968, 42456, 49880, 52460, 53070, 59856, 62952, 70760, 74820, 76067, 78690, 84912, 99760, 104920, 106140, 125904, 141520, 149640, 152134, 157380, 209840, 212280, 228201, 299280, 304268, 314760, 380335, 424560, 456402, 608536, 629520, 760670, 912804, 1141005, 1217072, 1521340, 1825608, 2282010, 3042680, 3651216, 4564020, 6085360, 9128040, 18256080]

約数ペア:

[(1, 18256080), (2, 9128040), (3, 6085360), (4, 4564020), (5, 3651216), (6, 3042680), (8, 2282010), (10, 1825608), (12, 1521340), (15, 1217072), (16, 1141005), (20, 912804), (24, 760670), (29, 629520), (30, 608536), (40, 456402), (43, 424560), (48, 380335), (58, 314760), (60, 304268), (61, 299280), (80, 228201), (86, 212280), (87, 209840), (116, 157380), (120, 152134), (122, 149640), (129, 141520), (145, 125904), (172, 106140), (174, 104920), (183, 99760), (215, 84912), (232, 78690), (240, 76067), (244, 74820), (258, 70760), (290, 62952), (305, 59856), (344, 53070), (348, 52460), (366, 49880), (430, 42456), (435, 41968), (464, 39345), (488, 37410), (516, 35380), (580, 31476), (610, 29928), (645, 28304), (688, 26535), (696, 26230), (732, 24940), (860, 21228), (870, 20984), (915, 19952), (976, 18705), (1032, 17690), (1160, 15738), (1220, 14964), (1247, 14640), (1290, 14152), (1392, 13115), (1464, 12470), (1720, 10614), (1740, 10492), (1769, 10320), (1830, 9976), (2064, 8845), (2320, 7869), (2440, 7482), (2494, 7320), (2580, 7076), (2623, 6960), (2928, 6235), (3440, 5307), (3480, 5246), (3538, 5160), (3660, 4988), (3741, 4880)]