1561567160

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{5051}}^1$

素因数の和:5252

約数の個数: 64

約数和(自身を含む): 3601065600

約数和(自身を除く): 2039498440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 131, 236, 262, 295, 472, 524, 590, 655, 1048, 1180, 1310, 2360, 2620, 5051, 5240, 7729, 10102, 15458, 20204, 25255, 30916, 38645, 40408, 50510, 61832, 77290, 101020, 154580, 202040, 298009, 309160, 596018, 661681, 1192036, 1323362, 1490045, 2384072, 2646724, 2980090, 3308405, 5293448, 5960180, 6616810, 11920360, 13233620, 26467240, 39039179, 78078358, 156156716, 195195895, 312313432, 390391790, 780783580, 1561567160]

約数ペア:

[(1, 1561567160), (2, 780783580), (4, 390391790), (5, 312313432), (8, 195195895), (10, 156156716), (20, 78078358), (40, 39039179), (59, 26467240), (118, 13233620), (131, 11920360), (236, 6616810), (262, 5960180), (295, 5293448), (472, 3308405), (524, 2980090), (590, 2646724), (655, 2384072), (1048, 1490045), (1180, 1323362), (1310, 1192036), (2360, 661681), (2620, 596018), (5051, 309160), (5240, 298009), (7729, 202040), (10102, 154580), (15458, 101020), (20204, 77290), (25255, 61832), (30916, 50510), (38645, 40408)]