399728160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:328

約数の個数: 288

約数和(自身を含む): 1489295808

約数和(自身を除く): 1089567648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 131, 144, 156, 160, 163, 180, 195, 208, 234, 240, 260, 262, 288, 312, 326, 360, 390, 393, 416, 468, 480, 489, 520, 524, 585, 624, 652, 655, 720, 780, 786, 815, 936, 978, 1040, 1048, 1170, 1179, 1248, 1304, 1310, 1440, 1467, 1560, 1572, 1630, 1703, 1872, 1956, 1965, 2080, 2096, 2119, 2340, 2358, 2445, 2608, 2620, 2934, 3120, 3144, 3260, 3406, 3744, 3912, 3930, 4192, 4238, 4680, 4716, 4890, 5109, 5216, 5240, 5868, 5895, 6240, 6288, 6357, 6520, 6812, 7335, 7824, 7860, 8476, 8515, 9360, 9432, 9780, 10218, 10480, 10595, 11736, 11790, 12576, 12714, 13040, 13624, 14670, 15327, 15648, 15720, 16952, 17030, 18720, 18864, 19071, 19560, 20436, 20960, 21190, 21353, 23472, 23580, 25428, 25545, 26080, 27248, 29340, 30654, 31440, 31785, 33904, 34060, 37728, 38142, 39120, 40872, 42380, 42706, 46944, 47160, 50856, 51090, 54496, 58680, 61308, 62880, 63570, 64059, 67808, 68120, 76284, 76635, 78240, 81744, 84760, 85412, 94320, 95355, 101712, 102180, 106765, 117360, 122616, 127140, 128118, 136240, 152568, 153270, 163488, 169520, 170824, 188640, 190710, 192177, 203424, 204360, 213530, 234720, 245232, 254280, 256236, 272480, 277589, 305136, 306540, 320295, 339040, 341648, 381420, 384354, 408720, 427060, 490464, 508560, 512472, 555178, 610272, 613080, 640590, 683296, 762840, 768708, 817440, 832767, 854120, 960885, 1017120, 1024944, 1110356, 1226160, 1281180, 1387945, 1525680, 1537416, 1665534, 1708240, 1921770, 2049888, 2220712, 2452320, 2498301, 2562360, 2775890, 3051360, 3074832, 3331068, 3416480, 3843540, 4163835, 4441424, 4996602, 5124720, 5551780, 6149664, 6662136, 7687080, 8327670, 8882848, 9993204, 10249440, 11103560, 12491505, 13324272, 15374160, 16655340, 19986408, 22207120, 24983010, 26648544, 30748320, 33310680, 39972816, 44414240, 49966020, 66621360, 79945632, 99932040, 133242720, 199864080, 399728160]

約数ペア:

[(1, 399728160), (2, 199864080), (3, 133242720), (4, 99932040), (5, 79945632), (6, 66621360), (8, 49966020), (9, 44414240), (10, 39972816), (12, 33310680), (13, 30748320), (15, 26648544), (16, 24983010), (18, 22207120), (20, 19986408), (24, 16655340), (26, 15374160), (30, 13324272), (32, 12491505), (36, 11103560), (39, 10249440), (40, 9993204), (45, 8882848), (48, 8327670), (52, 7687080), (60, 6662136), (65, 6149664), (72, 5551780), (78, 5124720), (80, 4996602), (90, 4441424), (96, 4163835), (104, 3843540), (117, 3416480), (120, 3331068), (130, 3074832), (131, 3051360), (144, 2775890), (156, 2562360), (160, 2498301), (163, 2452320), (180, 2220712), (195, 2049888), (208, 1921770), (234, 1708240), (240, 1665534), (260, 1537416), (262, 1525680), (288, 1387945), (312, 1281180), (326, 1226160), (360, 1110356), (390, 1024944), (393, 1017120), (416, 960885), (468, 854120), (480, 832767), (489, 817440), (520, 768708), (524, 762840), (585, 683296), (624, 640590), (652, 613080), (655, 610272), (720, 555178), (780, 512472), (786, 508560), (815, 490464), (936, 427060), (978, 408720), (1040, 384354), (1048, 381420), (1170, 341648), (1179, 339040), (1248, 320295), (1304, 306540), (1310, 305136), (1440, 277589), (1467, 272480), (1560, 256236), (1572, 254280), (1630, 245232), (1703, 234720), (1872, 213530), (1956, 204360), (1965, 203424), (2080, 192177), (2096, 190710), (2119, 188640), (2340, 170824), (2358, 169520), (2445, 163488), (2608, 153270), (2620, 152568), (2934, 136240), (3120, 128118), (3144, 127140), (3260, 122616), (3406, 117360), (3744, 106765), (3912, 102180), (3930, 101712), (4192, 95355), (4238, 94320), (4680, 85412), (4716, 84760), (4890, 81744), (5109, 78240), (5216, 76635), (5240, 76284), (5868, 68120), (5895, 67808), (6240, 64059), (6288, 63570), (6357, 62880), (6520, 61308), (6812, 58680), (7335, 54496), (7824, 51090), (7860, 50856), (8476, 47160), (8515, 46944), (9360, 42706), (9432, 42380), (9780, 40872), (10218, 39120), (10480, 38142), (10595, 37728), (11736, 34060), (11790, 33904), (12576, 31785), (12714, 31440), (13040, 30654), (13624, 29340), (14670, 27248), (15327, 26080), (15648, 25545), (15720, 25428), (16952, 23580), (17030, 23472), (18720, 21353), (18864, 21190), (19071, 20960), (19560, 20436)]