82431440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 240817920

約数和(自身を除く): 158386480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 80, 91, 104, 112, 130, 134, 140, 169, 182, 208, 260, 268, 280, 335, 338, 364, 455, 469, 520, 536, 560, 670, 676, 728, 845, 871, 910, 938, 1040, 1072, 1183, 1340, 1352, 1456, 1690, 1742, 1820, 1876, 2197, 2345, 2366, 2680, 2704, 3380, 3484, 3640, 3752, 4355, 4394, 4690, 4732, 5360, 5915, 6097, 6760, 6968, 7280, 7504, 8710, 8788, 9380, 9464, 10985, 11323, 11830, 12194, 13520, 13936, 15379, 17420, 17576, 18760, 18928, 21970, 22646, 23660, 24388, 30485, 30758, 34840, 35152, 37520, 43940, 45292, 47320, 48776, 56615, 60970, 61516, 69680, 76895, 79261, 87880, 90584, 94640, 97552, 113230, 121940, 123032, 147199, 153790, 158522, 175760, 181168, 226460, 243880, 246064, 294398, 307580, 317044, 396305, 452920, 487760, 588796, 615160, 634088, 735995, 792610, 905840, 1030393, 1177592, 1230320, 1268176, 1471990, 1585220, 2060786, 2355184, 2943980, 3170440, 4121572, 5151965, 5887960, 6340880, 8243144, 10303930, 11775920, 16486288, 20607860, 41215720, 82431440]

約数ペア:

[(1, 82431440), (2, 41215720), (4, 20607860), (5, 16486288), (7, 11775920), (8, 10303930), (10, 8243144), (13, 6340880), (14, 5887960), (16, 5151965), (20, 4121572), (26, 3170440), (28, 2943980), (35, 2355184), (40, 2060786), (52, 1585220), (56, 1471990), (65, 1268176), (67, 1230320), (70, 1177592), (80, 1030393), (91, 905840), (104, 792610), (112, 735995), (130, 634088), (134, 615160), (140, 588796), (169, 487760), (182, 452920), (208, 396305), (260, 317044), (268, 307580), (280, 294398), (335, 246064), (338, 243880), (364, 226460), (455, 181168), (469, 175760), (520, 158522), (536, 153790), (560, 147199), (670, 123032), (676, 121940), (728, 113230), (845, 97552), (871, 94640), (910, 90584), (938, 87880), (1040, 79261), (1072, 76895), (1183, 69680), (1340, 61516), (1352, 60970), (1456, 56615), (1690, 48776), (1742, 47320), (1820, 45292), (1876, 43940), (2197, 37520), (2345, 35152), (2366, 34840), (2680, 30758), (2704, 30485), (3380, 24388), (3484, 23660), (3640, 22646), (3752, 21970), (4355, 18928), (4394, 18760), (4690, 17576), (4732, 17420), (5360, 15379), (5915, 13936), (6097, 13520), (6760, 12194), (6968, 11830), (7280, 11323), (7504, 10985), (8710, 9464), (8788, 9380)]