664308120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{790843}}^1$

素因数の和:790864

約数の個数: 64

約数和(自身を含む): 2277630720

約数和(自身を除く): 1613322600

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, 790843, 1581686, 2372529, 3163372, 3954215, 4745058, 5535901, 6326744, 7908430, 9490116, 11071802, 11862645, 15816860, 16607703, 18980232, 22143604, 23725290, 27679505, 31633720, 33215406, 44287208, 47450580, 55359010, 66430812, 83038515, 94901160, 110718020, 132861624, 166077030, 221436040, 332154060, 664308120]

約数ペア:

[(1, 664308120), (2, 332154060), (3, 221436040), (4, 166077030), (5, 132861624), (6, 110718020), (7, 94901160), (8, 83038515), (10, 66430812), (12, 55359010), (14, 47450580), (15, 44287208), (20, 33215406), (21, 31633720), (24, 27679505), (28, 23725290), (30, 22143604), (35, 18980232), (40, 16607703), (42, 15816860), (56, 11862645), (60, 11071802), (70, 9490116), (84, 7908430), (105, 6326744), (120, 5535901), (140, 4745058), (168, 3954215), (210, 3163372), (280, 2372529), (420, 1581686), (840, 790843)]