1781351376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:1017

約数の個数: 160

約数和(自身を含む): 5399654400

約数和(自身を除く): 3618303024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 89, 112, 142, 168, 178, 213, 267, 284, 336, 356, 426, 497, 534, 568, 623, 712, 839, 852, 994, 1068, 1136, 1246, 1424, 1491, 1678, 1704, 1869, 1988, 2136, 2492, 2517, 2982, 3356, 3408, 3738, 3976, 4272, 4984, 5034, 5873, 5964, 6319, 6712, 7476, 7952, 9968, 10068, 11746, 11928, 12638, 13424, 14952, 17619, 18957, 20136, 23492, 23856, 25276, 29904, 35238, 37914, 40272, 44233, 46984, 50552, 59569, 70476, 74671, 75828, 88466, 93968, 101104, 119138, 132699, 140952, 149342, 151656, 176932, 178707, 224013, 238276, 265398, 281904, 298684, 303312, 353864, 357414, 416983, 448026, 476552, 522697, 530796, 597368, 707728, 714828, 833966, 896052, 953104, 1045394, 1061592, 1194736, 1250949, 1429656, 1568091, 1667932, 1792104, 2090788, 2123184, 2501898, 2859312, 3136182, 3335864, 3584208, 4181576, 5003796, 5301641, 6272364, 6671728, 8363152, 10007592, 10603282, 12544728, 15904923, 20015184, 21206564, 25089456, 31809846, 37111487, 42413128, 63619692, 74222974, 84826256, 111334461, 127239384, 148445948, 222668922, 254478768, 296891896, 445337844, 593783792, 890675688, 1781351376]

約数ペア:

[(1, 1781351376), (2, 890675688), (3, 593783792), (4, 445337844), (6, 296891896), (7, 254478768), (8, 222668922), (12, 148445948), (14, 127239384), (16, 111334461), (21, 84826256), (24, 74222974), (28, 63619692), (42, 42413128), (48, 37111487), (56, 31809846), (71, 25089456), (84, 21206564), (89, 20015184), (112, 15904923), (142, 12544728), (168, 10603282), (178, 10007592), (213, 8363152), (267, 6671728), (284, 6272364), (336, 5301641), (356, 5003796), (426, 4181576), (497, 3584208), (534, 3335864), (568, 3136182), (623, 2859312), (712, 2501898), (839, 2123184), (852, 2090788), (994, 1792104), (1068, 1667932), (1136, 1568091), (1246, 1429656), (1424, 1250949), (1491, 1194736), (1678, 1061592), (1704, 1045394), (1869, 953104), (1988, 896052), (2136, 833966), (2492, 714828), (2517, 707728), (2982, 597368), (3356, 530796), (3408, 522697), (3738, 476552), (3976, 448026), (4272, 416983), (4984, 357414), (5034, 353864), (5873, 303312), (5964, 298684), (6319, 281904), (6712, 265398), (7476, 238276), (7952, 224013), (9968, 178707), (10068, 176932), (11746, 151656), (11928, 149342), (12638, 140952), (13424, 132699), (14952, 119138), (17619, 101104), (18957, 93968), (20136, 88466), (23492, 75828), (23856, 74671), (25276, 70476), (29904, 59569), (35238, 50552), (37914, 46984), (40272, 44233)]