308980710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 855930240

約数和(自身を除く): 546949530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 157, 185, 197, 222, 270, 314, 333, 370, 394, 471, 555, 591, 666, 785, 942, 985, 999, 1110, 1182, 1413, 1570, 1665, 1773, 1970, 1998, 2355, 2826, 2955, 3330, 3546, 4239, 4710, 4995, 5319, 5809, 5910, 7065, 7289, 8478, 8865, 9990, 10638, 11618, 14130, 14578, 17427, 17730, 21195, 21867, 26595, 29045, 30929, 34854, 36445, 42390, 43734, 52281, 53190, 58090, 61858, 65601, 72890, 87135, 92787, 104562, 109335, 131202, 154645, 156843, 174270, 185574, 196803, 218670, 261405, 278361, 309290, 313686, 328005, 393606, 463935, 522810, 556722, 656010, 784215, 835083, 927870, 984015, 1144373, 1391805, 1568430, 1670166, 1968030, 2288746, 2783610, 3433119, 4175415, 5721865, 6866238, 8350830, 10299357, 11443730, 17165595, 20598714, 30898071, 34331190, 51496785, 61796142, 102993570, 154490355, 308980710]

約数ペア:

[(1, 308980710), (2, 154490355), (3, 102993570), (5, 61796142), (6, 51496785), (9, 34331190), (10, 30898071), (15, 20598714), (18, 17165595), (27, 11443730), (30, 10299357), (37, 8350830), (45, 6866238), (54, 5721865), (74, 4175415), (90, 3433119), (111, 2783610), (135, 2288746), (157, 1968030), (185, 1670166), (197, 1568430), (222, 1391805), (270, 1144373), (314, 984015), (333, 927870), (370, 835083), (394, 784215), (471, 656010), (555, 556722), (591, 522810), (666, 463935), (785, 393606), (942, 328005), (985, 313686), (999, 309290), (1110, 278361), (1182, 261405), (1413, 218670), (1570, 196803), (1665, 185574), (1773, 174270), (1970, 156843), (1998, 154645), (2355, 131202), (2826, 109335), (2955, 104562), (3330, 92787), (3546, 87135), (4239, 72890), (4710, 65601), (4995, 61858), (5319, 58090), (5809, 53190), (5910, 52281), (7065, 43734), (7289, 42390), (8478, 36445), (8865, 34854), (9990, 30929), (10638, 29045), (11618, 26595), (14130, 21867), (14578, 21195), (17427, 17730)]