155034680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1489}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 370116000

約数和(自身を除く): 215081320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 380, 548, 685, 760, 1096, 1370, 1489, 2603, 2740, 2978, 5206, 5480, 5956, 7445, 10412, 11912, 13015, 14890, 20824, 26030, 28291, 29780, 52060, 56582, 59560, 104120, 113164, 141455, 203993, 226328, 282910, 407986, 565820, 815972, 1019965, 1131640, 1631944, 2039930, 3875867, 4079860, 7751734, 8159720, 15503468, 19379335, 31006936, 38758670, 77517340, 155034680]

約数ペア:

[(1, 155034680), (2, 77517340), (4, 38758670), (5, 31006936), (8, 19379335), (10, 15503468), (19, 8159720), (20, 7751734), (38, 4079860), (40, 3875867), (76, 2039930), (95, 1631944), (137, 1131640), (152, 1019965), (190, 815972), (274, 565820), (380, 407986), (548, 282910), (685, 226328), (760, 203993), (1096, 141455), (1370, 113164), (1489, 104120), (2603, 59560), (2740, 56582), (2978, 52060), (5206, 29780), (5480, 28291), (5956, 26030), (7445, 20824), (10412, 14890), (11912, 13015)]