9720270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 30643200

約数和(自身を除く): 20922930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 139, 185, 189, 210, 222, 259, 270, 278, 315, 333, 370, 378, 417, 518, 555, 630, 666, 695, 777, 834, 945, 973, 999, 1110, 1251, 1295, 1390, 1554, 1665, 1890, 1946, 1998, 2085, 2331, 2502, 2590, 2919, 3330, 3753, 3885, 4170, 4662, 4865, 4995, 5143, 5838, 6255, 6993, 7506, 7770, 8757, 9730, 9990, 10286, 11655, 12510, 13986, 14595, 15429, 17514, 18765, 23310, 25715, 26271, 29190, 30858, 34965, 36001, 37530, 43785, 46287, 51430, 52542, 69930, 72002, 77145, 87570, 92574, 108003, 131355, 138861, 154290, 180005, 216006, 231435, 262710, 277722, 324009, 360010, 462870, 540015, 648018, 694305, 972027, 1080030, 1388610, 1620045, 1944054, 3240090, 4860135, 9720270]

約数ペア:

[(1, 9720270), (2, 4860135), (3, 3240090), (5, 1944054), (6, 1620045), (7, 1388610), (9, 1080030), (10, 972027), (14, 694305), (15, 648018), (18, 540015), (21, 462870), (27, 360010), (30, 324009), (35, 277722), (37, 262710), (42, 231435), (45, 216006), (54, 180005), (63, 154290), (70, 138861), (74, 131355), (90, 108003), (105, 92574), (111, 87570), (126, 77145), (135, 72002), (139, 69930), (185, 52542), (189, 51430), (210, 46287), (222, 43785), (259, 37530), (270, 36001), (278, 34965), (315, 30858), (333, 29190), (370, 26271), (378, 25715), (417, 23310), (518, 18765), (555, 17514), (630, 15429), (666, 14595), (695, 13986), (777, 12510), (834, 11655), (945, 10286), (973, 9990), (999, 9730), (1110, 8757), (1251, 7770), (1295, 7506), (1390, 6993), (1554, 6255), (1665, 5838), (1890, 5143), (1946, 4995), (1998, 4865), (2085, 4662), (2331, 4170), (2502, 3885), (2590, 3753), (2919, 3330)]