16668120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19843}}^1$

素因数の和:19864

約数の個数: 64

約数和(自身を含む): 57150720

約数和(自身を除く): 40482600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 19843, 39686, 59529, 79372, 99215, 119058, 138901, 158744, 198430, 238116, 277802, 297645, 396860, 416703, 476232, 555604, 595290, 694505, 793720, 833406, 1111208, 1190580, 1389010, 1666812, 2083515, 2381160, 2778020, 3333624, 4167030, 5556040, 8334060, 16668120]

約数ペア:

[(1, 16668120), (2, 8334060), (3, 5556040), (4, 4167030), (5, 3333624), (6, 2778020), (7, 2381160), (8, 2083515), (10, 1666812), (12, 1389010), (14, 1190580), (15, 1111208), (20, 833406), (21, 793720), (24, 694505), (28, 595290), (30, 555604), (35, 476232), (40, 416703), (42, 396860), (56, 297645), (60, 277802), (70, 238116), (84, 198430), (105, 158744), (120, 138901), (140, 119058), (168, 99215), (210, 79372), (280, 59529), (420, 39686), (840, 19843)]