1281400128

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1330

約数の個数: 224

約数和(自身を含む): 4096512000

約数和(自身を除く): 2815111872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 32, 36, 38, 48, 54, 57, 62, 64, 72, 76, 93, 96, 108, 114, 124, 144, 152, 171, 186, 192, 216, 228, 248, 279, 288, 304, 342, 372, 432, 456, 496, 513, 558, 576, 589, 608, 684, 744, 837, 864, 912, 992, 1026, 1116, 1178, 1216, 1259, 1368, 1488, 1674, 1728, 1767, 1824, 1984, 2052, 2232, 2356, 2518, 2736, 2976, 3348, 3534, 3648, 3777, 4104, 4464, 4712, 5036, 5301, 5472, 5952, 6696, 7068, 7554, 8208, 8928, 9424, 10072, 10602, 10944, 11331, 13392, 14136, 15108, 15903, 16416, 17856, 18848, 20144, 21204, 22662, 23921, 26784, 28272, 30216, 31806, 32832, 33993, 37696, 39029, 40288, 42408, 45324, 47842, 53568, 56544, 60432, 63612, 67986, 71763, 78058, 80576, 84816, 90648, 95684, 113088, 117087, 120864, 127224, 135972, 143526, 156116, 169632, 181296, 191368, 215289, 234174, 241728, 254448, 271944, 287052, 312232, 339264, 351261, 362592, 382736, 430578, 468348, 508896, 543888, 574104, 624464, 645867, 702522, 725184, 741551, 765472, 861156, 936696, 1017792, 1053783, 1087776, 1148208, 1248928, 1291734, 1405044, 1483102, 1530944, 1722312, 1873392, 2107566, 2175552, 2224653, 2296416, 2497856, 2583468, 2810088, 2966204, 3444624, 3746784, 4215132, 4449306, 4592832, 5166936, 5620176, 5932408, 6673959, 6889248, 7493568, 8430264, 8898612, 10333872, 11240352, 11864816, 13347918, 13778496, 16860528, 17797224, 20021877, 20667744, 22480704, 23729632, 26695836, 33721056, 35594448, 40043754, 41335488, 47459264, 53391672, 67442112, 71188896, 80087508, 106783344, 142377792, 160175016, 213566688, 320350032, 427133376, 640700064, 1281400128]

約数ペア:

[(1, 1281400128), (2, 640700064), (3, 427133376), (4, 320350032), (6, 213566688), (8, 160175016), (9, 142377792), (12, 106783344), (16, 80087508), (18, 71188896), (19, 67442112), (24, 53391672), (27, 47459264), (31, 41335488), (32, 40043754), (36, 35594448), (38, 33721056), (48, 26695836), (54, 23729632), (57, 22480704), (62, 20667744), (64, 20021877), (72, 17797224), (76, 16860528), (93, 13778496), (96, 13347918), (108, 11864816), (114, 11240352), (124, 10333872), (144, 8898612), (152, 8430264), (171, 7493568), (186, 6889248), (192, 6673959), (216, 5932408), (228, 5620176), (248, 5166936), (279, 4592832), (288, 4449306), (304, 4215132), (342, 3746784), (372, 3444624), (432, 2966204), (456, 2810088), (496, 2583468), (513, 2497856), (558, 2296416), (576, 2224653), (589, 2175552), (608, 2107566), (684, 1873392), (744, 1722312), (837, 1530944), (864, 1483102), (912, 1405044), (992, 1291734), (1026, 1248928), (1116, 1148208), (1178, 1087776), (1216, 1053783), (1259, 1017792), (1368, 936696), (1488, 861156), (1674, 765472), (1728, 741551), (1767, 725184), (1824, 702522), (1984, 645867), (2052, 624464), (2232, 574104), (2356, 543888), (2518, 508896), (2736, 468348), (2976, 430578), (3348, 382736), (3534, 362592), (3648, 351261), (3777, 339264), (4104, 312232), (4464, 287052), (4712, 271944), (5036, 254448), (5301, 241728), (5472, 234174), (5952, 215289), (6696, 191368), (7068, 181296), (7554, 169632), (8208, 156116), (8928, 143526), (9424, 135972), (10072, 127224), (10602, 120864), (10944, 117087), (11331, 113088), (13392, 95684), (14136, 90648), (15108, 84816), (15903, 80576), (16416, 78058), (17856, 71763), (18848, 67986), (20144, 63612), (21204, 60432), (22662, 56544), (23921, 53568), (26784, 47842), (28272, 45324), (30216, 42408), (31806, 40288), (32832, 39029), (33993, 37696)]