78314880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{5827}}^1$

素因数の和:5856

約数の個数: 128

約数和(自身を含む): 285338880

約数和(自身を除く): 207024000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 5827, 6720, 11654, 13440, 17481, 23308, 29135, 34962, 40789, 46616, 58270, 69924, 81578, 87405, 93232, 116540, 122367, 139848, 163156, 174810, 186464, 203945, 233080, 244734, 279696, 326312, 349620, 372928, 407890, 466160, 489468, 559392, 611835, 652624, 699240, 745856, 815780, 932320, 978936, 1118784, 1223670, 1305248, 1398480, 1631560, 1864640, 1957872, 2237568, 2447340, 2610496, 2796960, 3263120, 3729280, 3915744, 4894680, 5220992, 5593920, 6526240, 7831488, 9789360, 11187840, 13052480, 15662976, 19578720, 26104960, 39157440, 78314880]

約数ペア:

[(1, 78314880), (2, 39157440), (3, 26104960), (4, 19578720), (5, 15662976), (6, 13052480), (7, 11187840), (8, 9789360), (10, 7831488), (12, 6526240), (14, 5593920), (15, 5220992), (16, 4894680), (20, 3915744), (21, 3729280), (24, 3263120), (28, 2796960), (30, 2610496), (32, 2447340), (35, 2237568), (40, 1957872), (42, 1864640), (48, 1631560), (56, 1398480), (60, 1305248), (64, 1223670), (70, 1118784), (80, 978936), (84, 932320), (96, 815780), (105, 745856), (112, 699240), (120, 652624), (128, 611835), (140, 559392), (160, 489468), (168, 466160), (192, 407890), (210, 372928), (224, 349620), (240, 326312), (280, 279696), (320, 244734), (336, 233080), (384, 203945), (420, 186464), (448, 174810), (480, 163156), (560, 139848), (640, 122367), (672, 116540), (840, 93232), (896, 87405), (960, 81578), (1120, 69924), (1344, 58270), (1680, 46616), (1920, 40789), (2240, 34962), (2688, 29135), (3360, 23308), (4480, 17481), (5827, 13440), (6720, 11654)]