153440080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61871}}^1$

素因数の和:61915

約数の個数: 40

約数和(自身を含む): 368262144

約数和(自身を除く): 214822064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 61871, 123742, 247484, 309355, 494968, 618710, 989936, 1237420, 1918001, 2474840, 3836002, 4949680, 7672004, 9590005, 15344008, 19180010, 30688016, 38360020, 76720040, 153440080]

約数ペア:

[(1, 153440080), (2, 76720040), (4, 38360020), (5, 30688016), (8, 19180010), (10, 15344008), (16, 9590005), (20, 7672004), (31, 4949680), (40, 3836002), (62, 2474840), (80, 1918001), (124, 1237420), (155, 989936), (248, 618710), (310, 494968), (496, 309355), (620, 247484), (1240, 123742), (2480, 61871)]