261106740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 240

約数和(自身を含む): 914760000

約数和(自身を除く): 653653260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 81, 85, 90, 95, 102, 108, 114, 135, 153, 162, 170, 171, 180, 190, 204, 228, 255, 270, 285, 306, 323, 324, 340, 342, 380, 405, 459, 499, 510, 513, 540, 570, 612, 646, 684, 765, 810, 855, 918, 969, 998, 1020, 1026, 1140, 1292, 1377, 1497, 1530, 1539, 1615, 1620, 1710, 1836, 1938, 1996, 2052, 2295, 2495, 2565, 2754, 2907, 2994, 3060, 3078, 3230, 3420, 3876, 4491, 4590, 4845, 4990, 5130, 5508, 5814, 5988, 6156, 6460, 6885, 7485, 7695, 8483, 8721, 8982, 9180, 9481, 9690, 9980, 10260, 11628, 13473, 13770, 14535, 14970, 15390, 16966, 17442, 17964, 18962, 19380, 22455, 25449, 26163, 26946, 27540, 28443, 29070, 29940, 30780, 33932, 34884, 37924, 40419, 42415, 43605, 44910, 47405, 50898, 52326, 53892, 56886, 58140, 67365, 76347, 80838, 84830, 85329, 87210, 89820, 94810, 101796, 104652, 113772, 127245, 130815, 134730, 142215, 152694, 161177, 161676, 169660, 170658, 174420, 189620, 202095, 229041, 254490, 255987, 261630, 269460, 284430, 305388, 322354, 341316, 381735, 404190, 426645, 458082, 483531, 508980, 511974, 523260, 568860, 644708, 687123, 763470, 767961, 805885, 808380, 853290, 916164, 967062, 1023948, 1145205, 1279935, 1374246, 1450593, 1526940, 1535922, 1611770, 1706580, 1934124, 2290410, 2417655, 2559870, 2748492, 2901186, 3071844, 3223540, 3435615, 3839805, 4351779, 4580820, 4835310, 5119740, 5802372, 6871230, 7252965, 7679610, 8703558, 9670620, 13055337, 13742460, 14505930, 15359220, 17407116, 21758895, 26110674, 29011860, 43517790, 52221348, 65276685, 87035580, 130553370, 261106740]

約数ペア:

[(1, 261106740), (2, 130553370), (3, 87035580), (4, 65276685), (5, 52221348), (6, 43517790), (9, 29011860), (10, 26110674), (12, 21758895), (15, 17407116), (17, 15359220), (18, 14505930), (19, 13742460), (20, 13055337), (27, 9670620), (30, 8703558), (34, 7679610), (36, 7252965), (38, 6871230), (45, 5802372), (51, 5119740), (54, 4835310), (57, 4580820), (60, 4351779), (68, 3839805), (76, 3435615), (81, 3223540), (85, 3071844), (90, 2901186), (95, 2748492), (102, 2559870), (108, 2417655), (114, 2290410), (135, 1934124), (153, 1706580), (162, 1611770), (170, 1535922), (171, 1526940), (180, 1450593), (190, 1374246), (204, 1279935), (228, 1145205), (255, 1023948), (270, 967062), (285, 916164), (306, 853290), (323, 808380), (324, 805885), (340, 767961), (342, 763470), (380, 687123), (405, 644708), (459, 568860), (499, 523260), (510, 511974), (513, 508980), (540, 483531), (570, 458082), (612, 426645), (646, 404190), (684, 381735), (765, 341316), (810, 322354), (855, 305388), (918, 284430), (969, 269460), (998, 261630), (1020, 255987), (1026, 254490), (1140, 229041), (1292, 202095), (1377, 189620), (1497, 174420), (1530, 170658), (1539, 169660), (1615, 161676), (1620, 161177), (1710, 152694), (1836, 142215), (1938, 134730), (1996, 130815), (2052, 127245), (2295, 113772), (2495, 104652), (2565, 101796), (2754, 94810), (2907, 89820), (2994, 87210), (3060, 85329), (3078, 84830), (3230, 80838), (3420, 76347), (3876, 67365), (4491, 58140), (4590, 56886), (4845, 53892), (4990, 52326), (5130, 50898), (5508, 47405), (5814, 44910), (5988, 43605), (6156, 42415), (6460, 40419), (6885, 37924), (7485, 34884), (7695, 33932), (8483, 30780), (8721, 29940), (8982, 29070), (9180, 28443), (9481, 27540), (9690, 26946), (9980, 26163), (10260, 25449), (11628, 22455), (13473, 19380), (13770, 18962), (14535, 17964), (14970, 17442), (15390, 16966)]