261560130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{39451}}^1$

素因数の和:39491

約数の個数: 64

約数和(自身を含む): 715817088

約数和(自身を除く): 454256958

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 39451, 78902, 118353, 197255, 236706, 394510, 512863, 591765, 670667, 1025726, 1183530, 1341334, 1538589, 2012001, 2564315, 3077178, 3353335, 4024002, 5128630, 6706670, 7692945, 8718671, 10060005, 15385890, 17437342, 20120010, 26156013, 43593355, 52312026, 87186710, 130780065, 261560130]

約数ペア:

[(1, 261560130), (2, 130780065), (3, 87186710), (5, 52312026), (6, 43593355), (10, 26156013), (13, 20120010), (15, 17437342), (17, 15385890), (26, 10060005), (30, 8718671), (34, 7692945), (39, 6706670), (51, 5128630), (65, 4024002), (78, 3353335), (85, 3077178), (102, 2564315), (130, 2012001), (170, 1538589), (195, 1341334), (221, 1183530), (255, 1025726), (390, 670667), (442, 591765), (510, 512863), (663, 394510), (1105, 236706), (1326, 197255), (2210, 118353), (3315, 78902), (6630, 39451)]