15891840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 57283200

約数和(自身を除く): 41391360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 89, 90, 93, 96, 120, 124, 128, 144, 155, 160, 178, 180, 186, 192, 240, 248, 267, 279, 288, 310, 320, 356, 360, 372, 384, 445, 465, 480, 496, 534, 558, 576, 620, 640, 712, 720, 744, 801, 890, 930, 960, 992, 1068, 1116, 1152, 1240, 1335, 1395, 1424, 1440, 1488, 1602, 1780, 1860, 1920, 1984, 2136, 2232, 2480, 2670, 2759, 2790, 2848, 2880, 2976, 3204, 3560, 3720, 3968, 4005, 4272, 4464, 4960, 5340, 5518, 5580, 5696, 5760, 5952, 6408, 7120, 7440, 8010, 8277, 8544, 8928, 9920, 10680, 11036, 11160, 11392, 11904, 12816, 13795, 14240, 14880, 16020, 16554, 17088, 17856, 19840, 21360, 22072, 22320, 24831, 25632, 27590, 28480, 29760, 32040, 33108, 34176, 35712, 41385, 42720, 44144, 44640, 49662, 51264, 55180, 56960, 59520, 64080, 66216, 82770, 85440, 88288, 89280, 99324, 102528, 110360, 124155, 128160, 132432, 165540, 170880, 176576, 178560, 198648, 220720, 248310, 256320, 264864, 331080, 353152, 397296, 441440, 496620, 512640, 529728, 662160, 794592, 882880, 993240, 1059456, 1324320, 1589184, 1765760, 1986480, 2648640, 3178368, 3972960, 5297280, 7945920, 15891840]

約数ペア:

[(1, 15891840), (2, 7945920), (3, 5297280), (4, 3972960), (5, 3178368), (6, 2648640), (8, 1986480), (9, 1765760), (10, 1589184), (12, 1324320), (15, 1059456), (16, 993240), (18, 882880), (20, 794592), (24, 662160), (30, 529728), (31, 512640), (32, 496620), (36, 441440), (40, 397296), (45, 353152), (48, 331080), (60, 264864), (62, 256320), (64, 248310), (72, 220720), (80, 198648), (89, 178560), (90, 176576), (93, 170880), (96, 165540), (120, 132432), (124, 128160), (128, 124155), (144, 110360), (155, 102528), (160, 99324), (178, 89280), (180, 88288), (186, 85440), (192, 82770), (240, 66216), (248, 64080), (267, 59520), (279, 56960), (288, 55180), (310, 51264), (320, 49662), (356, 44640), (360, 44144), (372, 42720), (384, 41385), (445, 35712), (465, 34176), (480, 33108), (496, 32040), (534, 29760), (558, 28480), (576, 27590), (620, 25632), (640, 24831), (712, 22320), (720, 22072), (744, 21360), (801, 19840), (890, 17856), (930, 17088), (960, 16554), (992, 16020), (1068, 14880), (1116, 14240), (1152, 13795), (1240, 12816), (1335, 11904), (1395, 11392), (1424, 11160), (1440, 11036), (1488, 10680), (1602, 9920), (1780, 8928), (1860, 8544), (1920, 8277), (1984, 8010), (2136, 7440), (2232, 7120), (2480, 6408), (2670, 5952), (2759, 5760), (2790, 5696), (2848, 5580), (2880, 5518), (2976, 5340), (3204, 4960), (3560, 4464), (3720, 4272), (3968, 4005)]