212828280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{253367}}^1$

素因数の和:253388

約数の個数: 64

約数和(自身を含む): 729699840

約数和(自身を除く): 516871560

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, 253367, 506734, 760101, 1013468, 1266835, 1520202, 1773569, 2026936, 2533670, 3040404, 3547138, 3800505, 5067340, 5320707, 6080808, 7094276, 7601010, 8867845, 10134680, 10641414, 14188552, 15202020, 17735690, 21282828, 26603535, 30404040, 35471380, 42565656, 53207070, 70942760, 106414140, 212828280]

約数ペア:

[(1, 212828280), (2, 106414140), (3, 70942760), (4, 53207070), (5, 42565656), (6, 35471380), (7, 30404040), (8, 26603535), (10, 21282828), (12, 17735690), (14, 15202020), (15, 14188552), (20, 10641414), (21, 10134680), (24, 8867845), (28, 7601010), (30, 7094276), (35, 6080808), (40, 5320707), (42, 5067340), (56, 3800505), (60, 3547138), (70, 3040404), (84, 2533670), (105, 2026936), (120, 1773569), (140, 1520202), (168, 1266835), (210, 1013468), (280, 760101), (420, 506734), (840, 253367)]