260906760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^2$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 869827140

約数和(自身を除く): 608920380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 109, 120, 122, 180, 183, 218, 244, 305, 327, 360, 366, 436, 488, 545, 549, 610, 654, 732, 872, 915, 981, 1090, 1098, 1220, 1308, 1464, 1635, 1830, 1962, 2180, 2196, 2440, 2616, 2745, 3270, 3660, 3924, 4360, 4392, 4905, 5490, 6540, 6649, 7320, 7848, 9810, 10980, 11881, 13080, 13298, 19620, 19947, 21960, 23762, 26596, 33245, 35643, 39240, 39894, 47524, 53192, 59405, 59841, 66490, 71286, 79788, 95048, 99735, 106929, 118810, 119682, 132980, 142572, 159576, 178215, 199470, 213858, 237620, 239364, 265960, 285144, 299205, 356430, 398940, 427716, 475240, 478728, 534645, 598410, 712860, 724741, 797880, 855432, 1069290, 1196820, 1425720, 1449482, 2138580, 2174223, 2393640, 2898964, 3623705, 4277160, 4348446, 5797928, 6522669, 7247410, 8696892, 10871115, 13045338, 14494820, 17393784, 21742230, 26090676, 28989640, 32613345, 43484460, 52181352, 65226690, 86968920, 130453380, 260906760]

約数ペア:

[(1, 260906760), (2, 130453380), (3, 86968920), (4, 65226690), (5, 52181352), (6, 43484460), (8, 32613345), (9, 28989640), (10, 26090676), (12, 21742230), (15, 17393784), (18, 14494820), (20, 13045338), (24, 10871115), (30, 8696892), (36, 7247410), (40, 6522669), (45, 5797928), (60, 4348446), (61, 4277160), (72, 3623705), (90, 2898964), (109, 2393640), (120, 2174223), (122, 2138580), (180, 1449482), (183, 1425720), (218, 1196820), (244, 1069290), (305, 855432), (327, 797880), (360, 724741), (366, 712860), (436, 598410), (488, 534645), (545, 478728), (549, 475240), (610, 427716), (654, 398940), (732, 356430), (872, 299205), (915, 285144), (981, 265960), (1090, 239364), (1098, 237620), (1220, 213858), (1308, 199470), (1464, 178215), (1635, 159576), (1830, 142572), (1962, 132980), (2180, 119682), (2196, 118810), (2440, 106929), (2616, 99735), (2745, 95048), (3270, 79788), (3660, 71286), (3924, 66490), (4360, 59841), (4392, 59405), (4905, 53192), (5490, 47524), (6540, 39894), (6649, 39240), (7320, 35643), (7848, 33245), (9810, 26596), (10980, 23762), (11881, 21960), (13080, 19947), (13298, 19620)]