65996520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 207498240

約数和(自身を除く): 141501720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 113, 120, 124, 155, 157, 186, 226, 248, 310, 314, 339, 372, 452, 465, 471, 565, 620, 628, 678, 744, 785, 904, 930, 942, 1130, 1240, 1256, 1356, 1570, 1695, 1860, 1884, 2260, 2355, 2712, 3140, 3390, 3503, 3720, 3768, 4520, 4710, 4867, 6280, 6780, 7006, 9420, 9734, 10509, 13560, 14012, 14601, 17515, 17741, 18840, 19468, 21018, 24335, 28024, 29202, 35030, 35482, 38936, 42036, 48670, 52545, 53223, 58404, 70060, 70964, 73005, 84072, 88705, 97340, 105090, 106446, 116808, 140120, 141928, 146010, 177410, 194680, 210180, 212892, 266115, 292020, 354820, 420360, 425784, 532230, 549971, 584040, 709640, 1064460, 1099942, 1649913, 2128920, 2199884, 2749855, 3299826, 4399768, 5499710, 6599652, 8249565, 10999420, 13199304, 16499130, 21998840, 32998260, 65996520]

約数ペア:

[(1, 65996520), (2, 32998260), (3, 21998840), (4, 16499130), (5, 13199304), (6, 10999420), (8, 8249565), (10, 6599652), (12, 5499710), (15, 4399768), (20, 3299826), (24, 2749855), (30, 2199884), (31, 2128920), (40, 1649913), (60, 1099942), (62, 1064460), (93, 709640), (113, 584040), (120, 549971), (124, 532230), (155, 425784), (157, 420360), (186, 354820), (226, 292020), (248, 266115), (310, 212892), (314, 210180), (339, 194680), (372, 177410), (452, 146010), (465, 141928), (471, 140120), (565, 116808), (620, 106446), (628, 105090), (678, 97340), (744, 88705), (785, 84072), (904, 73005), (930, 70964), (942, 70060), (1130, 58404), (1240, 53223), (1256, 52545), (1356, 48670), (1570, 42036), (1695, 38936), (1860, 35482), (1884, 35030), (2260, 29202), (2355, 28024), (2712, 24335), (3140, 21018), (3390, 19468), (3503, 18840), (3720, 17741), (3768, 17515), (4520, 14601), (4710, 14012), (4867, 13560), (6280, 10509), (6780, 9734), (7006, 9420)]