255975720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2176

約数の個数: 256

約数和(自身を含む): 1031546880

約数和(自身を除く): 775571160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 364, 385, 390, 420, 429, 440, 455, 462, 520, 546, 572, 616, 660, 715, 728, 770, 780, 840, 858, 910, 924, 1001, 1092, 1144, 1155, 1320, 1365, 1430, 1540, 1560, 1716, 1820, 1848, 2002, 2131, 2145, 2184, 2310, 2730, 2860, 3003, 3080, 3432, 3640, 4004, 4262, 4290, 4620, 5005, 5460, 5720, 6006, 6393, 8008, 8524, 8580, 9240, 10010, 10655, 10920, 12012, 12786, 14917, 15015, 17048, 17160, 20020, 21310, 23441, 24024, 25572, 27703, 29834, 30030, 31965, 40040, 42620, 44751, 46882, 51144, 55406, 59668, 60060, 63930, 70323, 74585, 83109, 85240, 89502, 93764, 110812, 117205, 119336, 120120, 127860, 138515, 140646, 149170, 164087, 166218, 179004, 187528, 193921, 221624, 223755, 234410, 255720, 277030, 281292, 298340, 304733, 328174, 332436, 351615, 358008, 387842, 415545, 447510, 468820, 492261, 554060, 562584, 581763, 596680, 609466, 656348, 664872, 703230, 775684, 820435, 831090, 895020, 914199, 937640, 969605, 984522, 1108120, 1163526, 1218932, 1312696, 1406460, 1523665, 1551368, 1640870, 1662180, 1790040, 1828398, 1939210, 1969044, 2133131, 2327052, 2437864, 2461305, 2812920, 2908815, 3047330, 3281740, 3324360, 3656796, 3878420, 3938088, 4266262, 4570995, 4654104, 4922610, 5817630, 6094660, 6399393, 6563480, 7313592, 7756840, 8532524, 9141990, 9845220, 10665655, 11635260, 12189320, 12798786, 17065048, 18283980, 19690440, 21331310, 23270520, 25597572, 31996965, 36567960, 42662620, 51195144, 63993930, 85325240, 127987860, 255975720]

約数ペア:

[(1, 255975720), (2, 127987860), (3, 85325240), (4, 63993930), (5, 51195144), (6, 42662620), (7, 36567960), (8, 31996965), (10, 25597572), (11, 23270520), (12, 21331310), (13, 19690440), (14, 18283980), (15, 17065048), (20, 12798786), (21, 12189320), (22, 11635260), (24, 10665655), (26, 9845220), (28, 9141990), (30, 8532524), (33, 7756840), (35, 7313592), (39, 6563480), (40, 6399393), (42, 6094660), (44, 5817630), (52, 4922610), (55, 4654104), (56, 4570995), (60, 4266262), (65, 3938088), (66, 3878420), (70, 3656796), (77, 3324360), (78, 3281740), (84, 3047330), (88, 2908815), (91, 2812920), (104, 2461305), (105, 2437864), (110, 2327052), (120, 2133131), (130, 1969044), (132, 1939210), (140, 1828398), (143, 1790040), (154, 1662180), (156, 1640870), (165, 1551368), (168, 1523665), (182, 1406460), (195, 1312696), (210, 1218932), (220, 1163526), (231, 1108120), (260, 984522), (264, 969605), (273, 937640), (280, 914199), (286, 895020), (308, 831090), (312, 820435), (330, 775684), (364, 703230), (385, 664872), (390, 656348), (420, 609466), (429, 596680), (440, 581763), (455, 562584), (462, 554060), (520, 492261), (546, 468820), (572, 447510), (616, 415545), (660, 387842), (715, 358008), (728, 351615), (770, 332436), (780, 328174), (840, 304733), (858, 298340), (910, 281292), (924, 277030), (1001, 255720), (1092, 234410), (1144, 223755), (1155, 221624), (1320, 193921), (1365, 187528), (1430, 179004), (1540, 166218), (1560, 164087), (1716, 149170), (1820, 140646), (1848, 138515), (2002, 127860), (2131, 120120), (2145, 119336), (2184, 117205), (2310, 110812), (2730, 93764), (2860, 89502), (3003, 85240), (3080, 83109), (3432, 74585), (3640, 70323), (4004, 63930), (4262, 60060), (4290, 59668), (4620, 55406), (5005, 51144), (5460, 46882), (5720, 44751), (6006, 42620), (6393, 40040), (8008, 31965), (8524, 30030), (8580, 29834), (9240, 27703), (10010, 25572), (10655, 24024), (10920, 23441), (12012, 21310), (12786, 20020), (14917, 17160), (15015, 17048)]