76721280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1342

約数の個数: 128

約数和(自身を含む): 252633600

約数和(自身を除く): 175912320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1289, 1488, 1860, 1920, 1984, 2480, 2578, 2976, 3720, 3867, 3968, 4960, 5156, 5952, 6445, 7440, 7734, 9920, 10312, 11904, 12890, 14880, 15468, 19335, 19840, 20624, 25780, 29760, 30936, 38670, 39959, 41248, 51560, 59520, 61872, 77340, 79918, 82496, 103120, 119877, 123744, 154680, 159836, 164992, 199795, 206240, 239754, 247488, 309360, 319672, 399590, 412480, 479508, 494976, 599385, 618720, 639344, 799180, 824960, 959016, 1198770, 1237440, 1278688, 1598360, 1918032, 2397540, 2474880, 2557376, 3196720, 3836064, 4795080, 5114752, 6393440, 7672128, 9590160, 12786880, 15344256, 19180320, 25573760, 38360640, 76721280]

約数ペア:

[(1, 76721280), (2, 38360640), (3, 25573760), (4, 19180320), (5, 15344256), (6, 12786880), (8, 9590160), (10, 7672128), (12, 6393440), (15, 5114752), (16, 4795080), (20, 3836064), (24, 3196720), (30, 2557376), (31, 2474880), (32, 2397540), (40, 1918032), (48, 1598360), (60, 1278688), (62, 1237440), (64, 1198770), (80, 959016), (93, 824960), (96, 799180), (120, 639344), (124, 618720), (128, 599385), (155, 494976), (160, 479508), (186, 412480), (192, 399590), (240, 319672), (248, 309360), (310, 247488), (320, 239754), (372, 206240), (384, 199795), (465, 164992), (480, 159836), (496, 154680), (620, 123744), (640, 119877), (744, 103120), (930, 82496), (960, 79918), (992, 77340), (1240, 61872), (1289, 59520), (1488, 51560), (1860, 41248), (1920, 39959), (1984, 38670), (2480, 30936), (2578, 29760), (2976, 25780), (3720, 20624), (3867, 19840), (3968, 19335), (4960, 15468), (5156, 14880), (5952, 12890), (6445, 11904), (7440, 10312), (7734, 9920)]