255121020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:345

約数の個数: 288

約数和(自身を含む): 981227520

約数和(自身を除く): 726106500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 79, 84, 90, 99, 105, 110, 126, 132, 140, 154, 158, 165, 180, 198, 210, 220, 231, 233, 237, 252, 308, 315, 316, 330, 385, 395, 396, 420, 462, 466, 474, 495, 553, 630, 660, 693, 699, 711, 770, 790, 869, 924, 932, 948, 990, 1106, 1155, 1165, 1185, 1260, 1386, 1398, 1422, 1540, 1580, 1631, 1659, 1738, 1980, 2097, 2212, 2310, 2330, 2370, 2563, 2607, 2765, 2772, 2796, 2844, 3262, 3318, 3465, 3476, 3495, 3555, 4194, 4345, 4620, 4660, 4740, 4893, 4977, 5126, 5214, 5530, 6083, 6524, 6636, 6930, 6990, 7110, 7689, 7821, 8155, 8295, 8388, 8690, 9786, 9954, 10252, 10428, 10485, 11060, 12166, 12815, 13035, 13860, 13980, 14220, 14679, 15378, 15642, 16310, 16590, 17380, 17941, 18249, 18407, 19572, 19908, 20970, 23067, 24332, 24465, 24885, 25630, 26070, 29358, 30415, 30756, 31284, 32620, 33180, 35882, 36498, 36814, 38445, 39105, 41940, 46134, 48930, 49770, 51260, 52140, 53823, 54747, 55221, 58716, 60830, 71764, 72996, 73395, 73628, 76890, 78210, 89705, 91245, 92035, 92268, 97860, 99540, 107646, 109494, 110442, 115335, 121660, 128849, 146790, 153780, 156420, 161469, 165663, 179410, 182490, 184070, 202477, 215292, 218988, 220884, 230670, 257698, 269115, 273735, 276105, 293580, 322938, 331326, 358820, 364980, 368140, 386547, 404954, 461340, 515396, 538230, 547470, 552210, 607431, 644245, 645876, 662652, 773094, 807345, 809908, 828315, 1012385, 1076460, 1094940, 1104420, 1159641, 1214862, 1288490, 1417339, 1546188, 1614690, 1656630, 1822293, 1932735, 2024770, 2319282, 2429724, 2576980, 2834678, 3037155, 3229380, 3313260, 3644586, 3865470, 4049540, 4252017, 4638564, 5669356, 5798205, 6074310, 7086695, 7289172, 7730940, 8504034, 9111465, 11596410, 12148620, 12756051, 14173390, 17008068, 18222930, 21260085, 23192820, 25512102, 28346780, 36445860, 42520170, 51024204, 63780255, 85040340, 127560510, 255121020]

約数ペア:

[(1, 255121020), (2, 127560510), (3, 85040340), (4, 63780255), (5, 51024204), (6, 42520170), (7, 36445860), (9, 28346780), (10, 25512102), (11, 23192820), (12, 21260085), (14, 18222930), (15, 17008068), (18, 14173390), (20, 12756051), (21, 12148620), (22, 11596410), (28, 9111465), (30, 8504034), (33, 7730940), (35, 7289172), (36, 7086695), (42, 6074310), (44, 5798205), (45, 5669356), (55, 4638564), (60, 4252017), (63, 4049540), (66, 3865470), (70, 3644586), (77, 3313260), (79, 3229380), (84, 3037155), (90, 2834678), (99, 2576980), (105, 2429724), (110, 2319282), (126, 2024770), (132, 1932735), (140, 1822293), (154, 1656630), (158, 1614690), (165, 1546188), (180, 1417339), (198, 1288490), (210, 1214862), (220, 1159641), (231, 1104420), (233, 1094940), (237, 1076460), (252, 1012385), (308, 828315), (315, 809908), (316, 807345), (330, 773094), (385, 662652), (395, 645876), (396, 644245), (420, 607431), (462, 552210), (466, 547470), (474, 538230), (495, 515396), (553, 461340), (630, 404954), (660, 386547), (693, 368140), (699, 364980), (711, 358820), (770, 331326), (790, 322938), (869, 293580), (924, 276105), (932, 273735), (948, 269115), (990, 257698), (1106, 230670), (1155, 220884), (1165, 218988), (1185, 215292), (1260, 202477), (1386, 184070), (1398, 182490), (1422, 179410), (1540, 165663), (1580, 161469), (1631, 156420), (1659, 153780), (1738, 146790), (1980, 128849), (2097, 121660), (2212, 115335), (2310, 110442), (2330, 109494), (2370, 107646), (2563, 99540), (2607, 97860), (2765, 92268), (2772, 92035), (2796, 91245), (2844, 89705), (3262, 78210), (3318, 76890), (3465, 73628), (3476, 73395), (3495, 72996), (3555, 71764), (4194, 60830), (4345, 58716), (4620, 55221), (4660, 54747), (4740, 53823), (4893, 52140), (4977, 51260), (5126, 49770), (5214, 48930), (5530, 46134), (6083, 41940), (6524, 39105), (6636, 38445), (6930, 36814), (6990, 36498), (7110, 35882), (7689, 33180), (7821, 32620), (8155, 31284), (8295, 30756), (8388, 30415), (8690, 29358), (9786, 26070), (9954, 25630), (10252, 24885), (10428, 24465), (10485, 24332), (11060, 23067), (12166, 20970), (12815, 19908), (13035, 19572), (13860, 18407), (13980, 18249), (14220, 17941), (14679, 17380), (15378, 16590), (15642, 16310)]