30989280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:449

約数の個数: 192

約数和(自身を含む): 116702208

約数和(自身を除く): 85712928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 401, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 802, 805, 840, 920, 966, 1104, 1120, 1203, 1288, 1380, 1604, 1610, 1680, 1840, 1932, 2005, 2208, 2406, 2415, 2576, 2760, 2807, 3208, 3220, 3360, 3680, 3864, 4010, 4812, 4830, 5152, 5520, 5614, 6015, 6416, 6440, 7728, 8020, 8421, 9223, 9624, 9660, 11040, 11228, 12030, 12832, 12880, 14035, 15456, 16040, 16842, 18446, 19248, 19320, 22456, 24060, 25760, 27669, 28070, 32080, 33684, 36892, 38496, 38640, 42105, 44912, 46115, 48120, 55338, 56140, 64160, 64561, 67368, 73784, 77280, 84210, 89824, 92230, 96240, 110676, 112280, 129122, 134736, 138345, 147568, 168420, 184460, 192480, 193683, 221352, 224560, 258244, 269472, 276690, 295136, 322805, 336840, 368920, 387366, 442704, 449120, 516488, 553380, 645610, 673680, 737840, 774732, 885408, 968415, 1032976, 1106760, 1291220, 1347360, 1475680, 1549464, 1936830, 2065952, 2213520, 2582440, 3098928, 3873660, 4427040, 5164880, 6197856, 7747320, 10329760, 15494640, 30989280]

約数ペア:

[(1, 30989280), (2, 15494640), (3, 10329760), (4, 7747320), (5, 6197856), (6, 5164880), (7, 4427040), (8, 3873660), (10, 3098928), (12, 2582440), (14, 2213520), (15, 2065952), (16, 1936830), (20, 1549464), (21, 1475680), (23, 1347360), (24, 1291220), (28, 1106760), (30, 1032976), (32, 968415), (35, 885408), (40, 774732), (42, 737840), (46, 673680), (48, 645610), (56, 553380), (60, 516488), (69, 449120), (70, 442704), (80, 387366), (84, 368920), (92, 336840), (96, 322805), (105, 295136), (112, 276690), (115, 269472), (120, 258244), (138, 224560), (140, 221352), (160, 193683), (161, 192480), (168, 184460), (184, 168420), (210, 147568), (224, 138345), (230, 134736), (240, 129122), (276, 112280), (280, 110676), (322, 96240), (336, 92230), (345, 89824), (368, 84210), (401, 77280), (420, 73784), (460, 67368), (480, 64561), (483, 64160), (552, 56140), (560, 55338), (644, 48120), (672, 46115), (690, 44912), (736, 42105), (802, 38640), (805, 38496), (840, 36892), (920, 33684), (966, 32080), (1104, 28070), (1120, 27669), (1203, 25760), (1288, 24060), (1380, 22456), (1604, 19320), (1610, 19248), (1680, 18446), (1840, 16842), (1932, 16040), (2005, 15456), (2208, 14035), (2406, 12880), (2415, 12832), (2576, 12030), (2760, 11228), (2807, 11040), (3208, 9660), (3220, 9624), (3360, 9223), (3680, 8421), (3864, 8020), (4010, 7728), (4812, 6440), (4830, 6416), (5152, 6015), (5520, 5614)]