258475360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 216

約数和(自身を含む): 736011360

約数和(自身を除く): 477536000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 79, 80, 88, 104, 110, 121, 130, 143, 158, 160, 169, 176, 208, 220, 242, 260, 286, 316, 338, 352, 395, 416, 440, 484, 520, 572, 605, 632, 676, 715, 790, 845, 869, 880, 968, 1027, 1040, 1144, 1210, 1264, 1352, 1430, 1573, 1580, 1690, 1738, 1760, 1859, 1936, 2054, 2080, 2288, 2420, 2528, 2704, 2860, 3146, 3160, 3380, 3476, 3718, 3872, 4108, 4345, 4576, 4840, 5135, 5408, 5720, 6292, 6320, 6760, 6952, 7436, 7865, 8216, 8690, 9295, 9559, 9680, 10270, 11297, 11440, 12584, 12640, 13351, 13520, 13904, 14872, 15730, 16432, 17380, 18590, 19118, 19360, 20449, 20540, 22594, 22880, 25168, 26702, 27040, 27808, 29744, 31460, 32864, 34760, 37180, 38236, 40898, 41080, 45188, 47795, 50336, 53404, 56485, 59488, 62920, 66755, 69520, 74360, 76472, 81796, 82160, 90376, 95590, 102245, 106808, 112970, 124267, 125840, 133510, 139040, 146861, 148720, 152944, 163592, 164320, 180752, 191180, 204490, 213616, 225940, 248534, 251680, 267020, 293722, 297440, 305888, 327184, 361504, 382360, 408980, 427232, 451880, 497068, 534040, 587444, 621335, 654368, 734305, 764720, 817960, 903760, 994136, 1068080, 1174888, 1242670, 1468610, 1529440, 1615471, 1635920, 1807520, 1988272, 2136160, 2349776, 2485340, 2937220, 3230942, 3271840, 3976544, 4699552, 4970680, 5874440, 6461884, 8077355, 9941360, 11748880, 12923768, 16154710, 19882720, 23497760, 25847536, 32309420, 51695072, 64618840, 129237680, 258475360]

約数ペア:

[(1, 258475360), (2, 129237680), (4, 64618840), (5, 51695072), (8, 32309420), (10, 25847536), (11, 23497760), (13, 19882720), (16, 16154710), (20, 12923768), (22, 11748880), (26, 9941360), (32, 8077355), (40, 6461884), (44, 5874440), (52, 4970680), (55, 4699552), (65, 3976544), (79, 3271840), (80, 3230942), (88, 2937220), (104, 2485340), (110, 2349776), (121, 2136160), (130, 1988272), (143, 1807520), (158, 1635920), (160, 1615471), (169, 1529440), (176, 1468610), (208, 1242670), (220, 1174888), (242, 1068080), (260, 994136), (286, 903760), (316, 817960), (338, 764720), (352, 734305), (395, 654368), (416, 621335), (440, 587444), (484, 534040), (520, 497068), (572, 451880), (605, 427232), (632, 408980), (676, 382360), (715, 361504), (790, 327184), (845, 305888), (869, 297440), (880, 293722), (968, 267020), (1027, 251680), (1040, 248534), (1144, 225940), (1210, 213616), (1264, 204490), (1352, 191180), (1430, 180752), (1573, 164320), (1580, 163592), (1690, 152944), (1738, 148720), (1760, 146861), (1859, 139040), (1936, 133510), (2054, 125840), (2080, 124267), (2288, 112970), (2420, 106808), (2528, 102245), (2704, 95590), (2860, 90376), (3146, 82160), (3160, 81796), (3380, 76472), (3476, 74360), (3718, 69520), (3872, 66755), (4108, 62920), (4345, 59488), (4576, 56485), (4840, 53404), (5135, 50336), (5408, 47795), (5720, 45188), (6292, 41080), (6320, 40898), (6760, 38236), (6952, 37180), (7436, 34760), (7865, 32864), (8216, 31460), (8690, 29744), (9295, 27808), (9559, 27040), (9680, 26702), (10270, 25168), (11297, 22880), (11440, 22594), (12584, 20540), (12640, 20449), (13351, 19360), (13520, 19118), (13904, 18590), (14872, 17380), (15730, 16432)]