63840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:44

約数の個数: 96

約数和(自身を含む): 241920

約数和(自身を除く): 178080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 1064, 1120, 1140, 1330, 1520, 1596, 1680, 1824, 1995, 2128, 2280, 2660, 3040, 3192, 3360, 3990, 4256, 4560, 5320, 6384, 7980, 9120, 10640, 12768, 15960, 21280, 31920, 63840]

約数ペア:

[(1, 63840), (2, 31920), (3, 21280), (4, 15960), (5, 12768), (6, 10640), (7, 9120), (8, 7980), (10, 6384), (12, 5320), (14, 4560), (15, 4256), (16, 3990), (19, 3360), (20, 3192), (21, 3040), (24, 2660), (28, 2280), (30, 2128), (32, 1995), (35, 1824), (38, 1680), (40, 1596), (42, 1520), (48, 1330), (56, 1140), (57, 1120), (60, 1064), (70, 912), (76, 840), (80, 798), (84, 760), (95, 672), (96, 665), (105, 608), (112, 570), (114, 560), (120, 532), (133, 480), (140, 456), (152, 420), (160, 399), (168, 380), (190, 336), (210, 304), (224, 285), (228, 280), (240, 266)]