1420601728

素因数分解:

$2^7\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 256

約数和(自身を含む): 3769920000

約数和(自身を除く): 2349318272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 64, 76, 91, 98, 104, 112, 128, 131, 133, 152, 182, 196, 208, 224, 247, 262, 266, 304, 343, 364, 392, 416, 448, 494, 524, 532, 608, 637, 686, 728, 784, 832, 896, 917, 931, 988, 1048, 1064, 1216, 1274, 1372, 1456, 1568, 1664, 1703, 1729, 1834, 1862, 1976, 2096, 2128, 2432, 2489, 2548, 2744, 2912, 3136, 3406, 3458, 3668, 3724, 3952, 4192, 4256, 4459, 4978, 5096, 5488, 5824, 6272, 6419, 6517, 6812, 6916, 7336, 7448, 7904, 8384, 8512, 8918, 9956, 10192, 10976, 11648, 11921, 12103, 12838, 13034, 13624, 13832, 14672, 14896, 15808, 16768, 17024, 17423, 17836, 19912, 20384, 21952, 23842, 24206, 25676, 26068, 27248, 27664, 29344, 29792, 31616, 32357, 34846, 35672, 39824, 40768, 43904, 44933, 47684, 48412, 51352, 52136, 54496, 55328, 58688, 59584, 64714, 69692, 71344, 79648, 81536, 83447, 84721, 89866, 95368, 96824, 102704, 104272, 108992, 110656, 117376, 119168, 121961, 129428, 139384, 142688, 159296, 166894, 169442, 179732, 190736, 193648, 205408, 208544, 217984, 221312, 226499, 243922, 258856, 278768, 285376, 318592, 333788, 338884, 359464, 381472, 387296, 410816, 417088, 452998, 487844, 517712, 557536, 570752, 584129, 667576, 677768, 718928, 762944, 774592, 821632, 834176, 853727, 905996, 975688, 1035424, 1115072, 1168258, 1335152, 1355536, 1437856, 1525888, 1549184, 1585493, 1707454, 1811992, 1951376, 2070848, 2230144, 2336516, 2670304, 2711072, 2875712, 3170986, 3414908, 3623984, 3902752, 4141696, 4673032, 5340608, 5422144, 5751424, 6341972, 6829816, 7247968, 7805504, 9346064, 10681216, 10844288, 11098451, 12683944, 13659632, 14495936, 15611008, 18692128, 22196902, 25367888, 27319264, 28991872, 37384256, 44393804, 50735776, 54638528, 74768512, 88787608, 101471552, 109277056, 177575216, 202943104, 355150432, 710300864, 1420601728]

約数ペア:

[(1, 1420601728), (2, 710300864), (4, 355150432), (7, 202943104), (8, 177575216), (13, 109277056), (14, 101471552), (16, 88787608), (19, 74768512), (26, 54638528), (28, 50735776), (32, 44393804), (38, 37384256), (49, 28991872), (52, 27319264), (56, 25367888), (64, 22196902), (76, 18692128), (91, 15611008), (98, 14495936), (104, 13659632), (112, 12683944), (128, 11098451), (131, 10844288), (133, 10681216), (152, 9346064), (182, 7805504), (196, 7247968), (208, 6829816), (224, 6341972), (247, 5751424), (262, 5422144), (266, 5340608), (304, 4673032), (343, 4141696), (364, 3902752), (392, 3623984), (416, 3414908), (448, 3170986), (494, 2875712), (524, 2711072), (532, 2670304), (608, 2336516), (637, 2230144), (686, 2070848), (728, 1951376), (784, 1811992), (832, 1707454), (896, 1585493), (917, 1549184), (931, 1525888), (988, 1437856), (1048, 1355536), (1064, 1335152), (1216, 1168258), (1274, 1115072), (1372, 1035424), (1456, 975688), (1568, 905996), (1664, 853727), (1703, 834176), (1729, 821632), (1834, 774592), (1862, 762944), (1976, 718928), (2096, 677768), (2128, 667576), (2432, 584129), (2489, 570752), (2548, 557536), (2744, 517712), (2912, 487844), (3136, 452998), (3406, 417088), (3458, 410816), (3668, 387296), (3724, 381472), (3952, 359464), (4192, 338884), (4256, 333788), (4459, 318592), (4978, 285376), (5096, 278768), (5488, 258856), (5824, 243922), (6272, 226499), (6419, 221312), (6517, 217984), (6812, 208544), (6916, 205408), (7336, 193648), (7448, 190736), (7904, 179732), (8384, 169442), (8512, 166894), (8918, 159296), (9956, 142688), (10192, 139384), (10976, 129428), (11648, 121961), (11921, 119168), (12103, 117376), (12838, 110656), (13034, 108992), (13624, 104272), (13832, 102704), (14672, 96824), (14896, 95368), (15808, 89866), (16768, 84721), (17024, 83447), (17423, 81536), (17836, 79648), (19912, 71344), (20384, 69692), (21952, 64714), (23842, 59584), (24206, 58688), (25676, 55328), (26068, 54496), (27248, 52136), (27664, 51352), (29344, 48412), (29792, 47684), (31616, 44933), (32357, 43904), (34846, 40768), (35672, 39824)]