28695480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21739}}^1$

素因数の和:21764

約数の個数: 64

約数和(自身を含む): 93916800

約数和(自身を除く): 65221320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21739, 43478, 65217, 86956, 108695, 130434, 173912, 217390, 239129, 260868, 326085, 434780, 478258, 521736, 652170, 717387, 869560, 956516, 1195645, 1304340, 1434774, 1913032, 2391290, 2608680, 2869548, 3586935, 4782580, 5739096, 7173870, 9565160, 14347740, 28695480]

約数ペア:

[(1, 28695480), (2, 14347740), (3, 9565160), (4, 7173870), (5, 5739096), (6, 4782580), (8, 3586935), (10, 2869548), (11, 2608680), (12, 2391290), (15, 1913032), (20, 1434774), (22, 1304340), (24, 1195645), (30, 956516), (33, 869560), (40, 717387), (44, 652170), (55, 521736), (60, 478258), (66, 434780), (88, 326085), (110, 260868), (120, 239129), (132, 217390), (165, 173912), (220, 130434), (264, 108695), (330, 86956), (440, 65217), (660, 43478), (1320, 21739)]