321000720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{8009}}^1$

素因数の和:8192

約数の個数: 80

約数和(自身を含む): 1001185920

約数和(自身を除く): 680185200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 167, 240, 334, 501, 668, 835, 1002, 1336, 1670, 2004, 2505, 2672, 3340, 4008, 5010, 6680, 8009, 8016, 10020, 13360, 16018, 20040, 24027, 32036, 40045, 40080, 48054, 64072, 80090, 96108, 120135, 128144, 160180, 192216, 240270, 320360, 384432, 480540, 640720, 961080, 1337503, 1922160, 2675006, 4012509, 5350012, 6687515, 8025018, 10700024, 13375030, 16050036, 20062545, 21400048, 26750060, 32100072, 40125090, 53500120, 64200144, 80250180, 107000240, 160500360, 321000720]

約数ペア:

[(1, 321000720), (2, 160500360), (3, 107000240), (4, 80250180), (5, 64200144), (6, 53500120), (8, 40125090), (10, 32100072), (12, 26750060), (15, 21400048), (16, 20062545), (20, 16050036), (24, 13375030), (30, 10700024), (40, 8025018), (48, 6687515), (60, 5350012), (80, 4012509), (120, 2675006), (167, 1922160), (240, 1337503), (334, 961080), (501, 640720), (668, 480540), (835, 384432), (1002, 320360), (1336, 240270), (1670, 192216), (2004, 160180), (2505, 128144), (2672, 120135), (3340, 96108), (4008, 80090), (5010, 64072), (6680, 48054), (8009, 40080), (8016, 40045), (10020, 32036), (13360, 24027), (16018, 20040)]