721080658260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6971}}^1\times {\mathrm{574667}}^1$

素因数の和:581653

約数の個数: 72

約数和(自身を含む): 2187595571616

約数和(自身を除く): 1466514913356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6971, 13942, 20913, 27884, 34855, 41826, 62739, 69710, 83652, 104565, 125478, 139420, 209130, 250956, 313695, 418260, 574667, 627390, 1149334, 1254780, 1724001, 2298668, 2873335, 3448002, 5172003, 5746670, 6896004, 8620005, 10344006, 11493340, 17240010, 20688012, 25860015, 34480020, 51720030, 103440060, 4006003657, 8012007314, 12018010971, 16024014628, 20030018285, 24036021942, 36054032913, 40060036570, 48072043884, 60090054855, 72108065826, 80120073140, 120180109710, 144216131652, 180270164565, 240360219420, 360540329130, 721080658260]

約数ペア:

[(1, 721080658260), (2, 360540329130), (3, 240360219420), (4, 180270164565), (5, 144216131652), (6, 120180109710), (9, 80120073140), (10, 72108065826), (12, 60090054855), (15, 48072043884), (18, 40060036570), (20, 36054032913), (30, 24036021942), (36, 20030018285), (45, 16024014628), (60, 12018010971), (90, 8012007314), (180, 4006003657), (6971, 103440060), (13942, 51720030), (20913, 34480020), (27884, 25860015), (34855, 20688012), (41826, 17240010), (62739, 11493340), (69710, 10344006), (83652, 8620005), (104565, 6896004), (125478, 5746670), (139420, 5172003), (209130, 3448002), (250956, 2873335), (313695, 2298668), (418260, 1724001), (574667, 1254780), (627390, 1149334)]