25682220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2339}}^1$

素因数の和:2415

約数の個数: 72

約数和(自身を含む): 79213680

約数和(自身を除く): 53531460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2339, 2745, 3660, 4678, 5490, 7017, 9356, 10980, 11695, 14034, 21051, 23390, 28068, 35085, 42102, 46780, 70170, 84204, 105255, 140340, 142679, 210510, 285358, 421020, 428037, 570716, 713395, 856074, 1284111, 1426790, 1712148, 2140185, 2568222, 2853580, 4280370, 5136444, 6420555, 8560740, 12841110, 25682220]

約数ペア:

[(1, 25682220), (2, 12841110), (3, 8560740), (4, 6420555), (5, 5136444), (6, 4280370), (9, 2853580), (10, 2568222), (12, 2140185), (15, 1712148), (18, 1426790), (20, 1284111), (30, 856074), (36, 713395), (45, 570716), (60, 428037), (61, 421020), (90, 285358), (122, 210510), (180, 142679), (183, 140340), (244, 105255), (305, 84204), (366, 70170), (549, 46780), (610, 42102), (732, 35085), (915, 28068), (1098, 23390), (1220, 21051), (1830, 14034), (2196, 11695), (2339, 10980), (2745, 9356), (3660, 7017), (4678, 5490)]