72257280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:662

約数の個数: 144

約数和(自身を含む): 238608384

約数和(自身を除く): 166351104

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, 256, 310, 320, 372, 384, 465, 480, 496, 607, 620, 640, 744, 768, 930, 960, 992, 1214, 1240, 1280, 1488, 1821, 1860, 1920, 1984, 2428, 2480, 2976, 3035, 3642, 3720, 3840, 3968, 4856, 4960, 5952, 6070, 7284, 7440, 7936, 9105, 9712, 9920, 11904, 12140, 14568, 14880, 18210, 18817, 19424, 19840, 23808, 24280, 29136, 29760, 36420, 37634, 38848, 39680, 48560, 56451, 58272, 59520, 72840, 75268, 77696, 94085, 97120, 112902, 116544, 119040, 145680, 150536, 155392, 188170, 194240, 225804, 233088, 282255, 291360, 301072, 376340, 388480, 451608, 466176, 564510, 582720, 602144, 752680, 776960, 903216, 1129020, 1165440, 1204288, 1505360, 1806432, 2258040, 2330880, 2408576, 3010720, 3612864, 4516080, 4817152, 6021440, 7225728, 9032160, 12042880, 14451456, 18064320, 24085760, 36128640, 72257280]

約数ペア:

[(1, 72257280), (2, 36128640), (3, 24085760), (4, 18064320), (5, 14451456), (6, 12042880), (8, 9032160), (10, 7225728), (12, 6021440), (15, 4817152), (16, 4516080), (20, 3612864), (24, 3010720), (30, 2408576), (31, 2330880), (32, 2258040), (40, 1806432), (48, 1505360), (60, 1204288), (62, 1165440), (64, 1129020), (80, 903216), (93, 776960), (96, 752680), (120, 602144), (124, 582720), (128, 564510), (155, 466176), (160, 451608), (186, 388480), (192, 376340), (240, 301072), (248, 291360), (256, 282255), (310, 233088), (320, 225804), (372, 194240), (384, 188170), (465, 155392), (480, 150536), (496, 145680), (607, 119040), (620, 116544), (640, 112902), (744, 97120), (768, 94085), (930, 77696), (960, 75268), (992, 72840), (1214, 59520), (1240, 58272), (1280, 56451), (1488, 48560), (1821, 39680), (1860, 38848), (1920, 37634), (1984, 36420), (2428, 29760), (2480, 29136), (2976, 24280), (3035, 23808), (3642, 19840), (3720, 19424), (3840, 18817), (3968, 18210), (4856, 14880), (4960, 14568), (5952, 12140), (6070, 11904), (7284, 9920), (7440, 9712), (7936, 9105)]