261766680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:858

約数の個数: 256

約数和(自身を含む): 992839680

約数和(自身を除く): 731073000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 23, 24, 28, 30, 34, 35, 40, 42, 46, 51, 56, 60, 68, 69, 70, 84, 85, 92, 102, 105, 115, 119, 120, 136, 138, 140, 161, 168, 170, 184, 204, 210, 230, 238, 255, 276, 280, 322, 340, 345, 357, 391, 408, 420, 460, 476, 483, 510, 552, 595, 644, 680, 690, 714, 782, 797, 805, 840, 920, 952, 966, 1020, 1173, 1190, 1288, 1380, 1428, 1564, 1594, 1610, 1785, 1932, 1955, 2040, 2346, 2380, 2391, 2415, 2737, 2760, 2856, 3128, 3188, 3220, 3570, 3864, 3910, 3985, 4692, 4760, 4782, 4830, 5474, 5579, 5865, 6376, 6440, 7140, 7820, 7970, 8211, 9384, 9564, 9660, 10948, 11158, 11730, 11955, 13549, 13685, 14280, 15640, 15940, 16422, 16737, 18331, 19128, 19320, 21896, 22316, 23460, 23910, 27098, 27370, 27895, 31880, 32844, 33474, 36662, 40647, 41055, 44632, 46920, 47820, 54196, 54740, 54993, 55790, 65688, 66948, 67745, 73324, 81294, 82110, 83685, 91655, 94843, 95640, 108392, 109480, 109986, 111580, 128317, 133896, 135490, 146648, 162588, 164220, 167370, 183310, 189686, 203235, 219972, 223160, 256634, 270980, 274965, 284529, 311627, 325176, 328440, 334740, 366620, 379372, 384951, 406470, 439944, 474215, 513268, 541960, 549930, 569058, 623254, 641585, 669480, 733240, 758744, 769902, 812940, 934881, 948430, 1026536, 1099860, 1138116, 1246508, 1283170, 1422645, 1539804, 1558135, 1625880, 1869762, 1896860, 1924755, 2181389, 2199720, 2276232, 2493016, 2566340, 2845290, 3079608, 3116270, 3739524, 3793720, 3849510, 4362778, 4674405, 5132680, 5690580, 6232540, 6544167, 7479048, 7699020, 8725556, 9348810, 10906945, 11381160, 12465080, 13088334, 15398040, 17451112, 18697620, 21813890, 26176668, 32720835, 37395240, 43627780, 52353336, 65441670, 87255560, 130883340, 261766680]

約数ペア:

[(1, 261766680), (2, 130883340), (3, 87255560), (4, 65441670), (5, 52353336), (6, 43627780), (7, 37395240), (8, 32720835), (10, 26176668), (12, 21813890), (14, 18697620), (15, 17451112), (17, 15398040), (20, 13088334), (21, 12465080), (23, 11381160), (24, 10906945), (28, 9348810), (30, 8725556), (34, 7699020), (35, 7479048), (40, 6544167), (42, 6232540), (46, 5690580), (51, 5132680), (56, 4674405), (60, 4362778), (68, 3849510), (69, 3793720), (70, 3739524), (84, 3116270), (85, 3079608), (92, 2845290), (102, 2566340), (105, 2493016), (115, 2276232), (119, 2199720), (120, 2181389), (136, 1924755), (138, 1896860), (140, 1869762), (161, 1625880), (168, 1558135), (170, 1539804), (184, 1422645), (204, 1283170), (210, 1246508), (230, 1138116), (238, 1099860), (255, 1026536), (276, 948430), (280, 934881), (322, 812940), (340, 769902), (345, 758744), (357, 733240), (391, 669480), (408, 641585), (420, 623254), (460, 569058), (476, 549930), (483, 541960), (510, 513268), (552, 474215), (595, 439944), (644, 406470), (680, 384951), (690, 379372), (714, 366620), (782, 334740), (797, 328440), (805, 325176), (840, 311627), (920, 284529), (952, 274965), (966, 270980), (1020, 256634), (1173, 223160), (1190, 219972), (1288, 203235), (1380, 189686), (1428, 183310), (1564, 167370), (1594, 164220), (1610, 162588), (1785, 146648), (1932, 135490), (1955, 133896), (2040, 128317), (2346, 111580), (2380, 109986), (2391, 109480), (2415, 108392), (2737, 95640), (2760, 94843), (2856, 91655), (3128, 83685), (3188, 82110), (3220, 81294), (3570, 73324), (3864, 67745), (3910, 66948), (3985, 65688), (4692, 55790), (4760, 54993), (4782, 54740), (4830, 54196), (5474, 47820), (5579, 46920), (5865, 44632), (6376, 41055), (6440, 40647), (7140, 36662), (7820, 33474), (7970, 32844), (8211, 31880), (9384, 27895), (9564, 27370), (9660, 27098), (10948, 23910), (11158, 23460), (11730, 22316), (11955, 21896), (13549, 19320), (13685, 19128), (14280, 18331), (15640, 16737), (15940, 16422)]