155255840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51071}}^1$

素因数の和:51105

約数の個数: 48

約数和(自身を含む): 386104320

約数和(自身を除く): 230848480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 51071, 102142, 204284, 255355, 408568, 510710, 817136, 970349, 1021420, 1634272, 1940698, 2042840, 3881396, 4085680, 4851745, 7762792, 8171360, 9703490, 15525584, 19406980, 31051168, 38813960, 77627920, 155255840]

約数ペア:

[(1, 155255840), (2, 77627920), (4, 38813960), (5, 31051168), (8, 19406980), (10, 15525584), (16, 9703490), (19, 8171360), (20, 7762792), (32, 4851745), (38, 4085680), (40, 3881396), (76, 2042840), (80, 1940698), (95, 1634272), (152, 1021420), (160, 970349), (190, 817136), (304, 510710), (380, 408568), (608, 255355), (760, 204284), (1520, 102142), (3040, 51071)]